Home / 39,207.14-54,106.08-21,302.29

Finding the Fourth Proportional to 39,207.14, 54,106.08 and 21,302.29

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Solution

The fourth proportional to 39,207.14, 54,106.08 and 21,302.29 is: 29,397.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,207.14 : 54,106.08 = 21,302.29 : x
  2. Step 2: Convert to fraction form
    39,207.14/54,106.08 = 21,302.29/x
  3. Step 3: Cross multiply
    39,207.14x = 54,106.08 × 21,302.29
  4. Step 4: Simplify right side
    39,207.14x = 1,152,583,394.67
  5. Step 5: Solve for x
    x = 1,152,583,394.67/39,207.14
  6. Step 6: Final answer
    x = 29,397.28

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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.