Home / 38,666.30-53,363.92-21,675.13

Finding the Fourth Proportional to 38,666.30, 53,363.92 and 21,675.13

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Solution

The fourth proportional to 38,666.30, 53,363.92 and 21,675.13 is: 29,914.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,666.30 : 53,363.92 = 21,675.13 : x
  2. Step 2: Convert to fraction form
    38,666.30/53,363.92 = 21,675.13/x
  3. Step 3: Cross multiply
    38,666.30x = 53,363.92 × 21,675.13
  4. Step 4: Simplify right side
    38,666.30x = 1,156,669,794.93
  5. Step 5: Solve for x
    x = 1,156,669,794.93/38,666.30
  6. Step 6: Final answer
    x = 29,914.16

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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.