Home / 39,411.38-54,368.90-26,669.04

Finding the Fourth Proportional to 39,411.38, 54,368.90 and 26,669.04

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Solution

The fourth proportional to 39,411.38, 54,368.90 and 26,669.04 is: 36,790.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,411.38 : 54,368.90 = 26,669.04 : x
  2. Step 2: Convert to fraction form
    39,411.38/54,368.90 = 26,669.04/x
  3. Step 3: Cross multiply
    39,411.38x = 54,368.90 × 26,669.04
  4. Step 4: Simplify right side
    39,411.38x = 1,449,966,368.86
  5. Step 5: Solve for x
    x = 1,449,966,368.86/39,411.38
  6. Step 6: Final answer
    x = 36,790.55

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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.