Home / 38,310.19-52,876.46-21,320.24

Finding the Fourth Proportional to 38,310.19, 52,876.46 and 21,320.24

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Solution

The fourth proportional to 38,310.19, 52,876.46 and 21,320.24 is: 29,426.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,310.19 : 52,876.46 = 21,320.24 : x
  2. Step 2: Convert to fraction form
    38,310.19/52,876.46 = 21,320.24/x
  3. Step 3: Cross multiply
    38,310.19x = 52,876.46 × 21,320.24
  4. Step 4: Simplify right side
    38,310.19x = 1,127,338,606.47
  5. Step 5: Solve for x
    x = 1,127,338,606.47/38,310.19
  6. Step 6: Final answer
    x = 29,426.60

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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.