Home / 38,299.95-52,852.98-21,304.23

Finding the Fourth Proportional to 38,299.95, 52,852.98 and 21,304.23

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Solution

The fourth proportional to 38,299.95, 52,852.98 and 21,304.23 is: 29,399.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,299.95 : 52,852.98 = 21,304.23 : x
  2. Step 2: Convert to fraction form
    38,299.95/52,852.98 = 21,304.23/x
  3. Step 3: Cross multiply
    38,299.95x = 52,852.98 × 21,304.23
  4. Step 4: Simplify right side
    38,299.95x = 1,125,992,042.11
  5. Step 5: Solve for x
    x = 1,125,992,042.11/38,299.95
  6. Step 6: Final answer
    x = 29,399.31

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Half scale
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Double scale
Find fourth proportional to 38,300.95, 52,854.36 and 21,305.23
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.