Home / 39,207.43-54,106.95-21,302.38

Finding the Fourth Proportional to 39,207.43, 54,106.95 and 21,302.38

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Solution

The fourth proportional to 39,207.43, 54,106.95 and 21,302.38 is: 29,397.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,207.43 : 54,106.95 = 21,302.38 : x
  2. Step 2: Convert to fraction form
    39,207.43/54,106.95 = 21,302.38/x
  3. Step 3: Cross multiply
    39,207.43x = 54,106.95 × 21,302.38
  4. Step 4: Simplify right side
    39,207.43x = 1,152,606,809.54
  5. Step 5: Solve for x
    x = 1,152,606,809.54/39,207.43
  6. Step 6: Final answer
    x = 29,397.66

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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.