Home / 38,031.80-52,482.90-21,035.63

Finding the Fourth Proportional to 38,031.80, 52,482.90 and 21,035.63

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Solution

The fourth proportional to 38,031.80, 52,482.90 and 21,035.63 is: 29,028.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,031.80 : 52,482.90 = 21,035.63 : x
  2. Step 2: Convert to fraction form
    38,031.80/52,482.90 = 21,035.63/x
  3. Step 3: Cross multiply
    38,031.80x = 52,482.90 × 21,035.63
  4. Step 4: Simplify right side
    38,031.80x = 1,104,010,603.31
  5. Step 5: Solve for x
    x = 1,104,010,603.31/38,031.80
  6. Step 6: Final answer
    x = 29,028.62

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Double scale
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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.