Home / 39,429.96-54,400.32-26,007.90

Finding the Fourth Proportional to 39,429.96, 54,400.32 and 26,007.90

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Solution

The fourth proportional to 39,429.96, 54,400.32 and 26,007.90 is: 35,882.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,429.96 : 54,400.32 = 26,007.90 : x
  2. Step 2: Convert to fraction form
    39,429.96/54,400.32 = 26,007.90/x
  3. Step 3: Cross multiply
    39,429.96x = 54,400.32 × 26,007.90
  4. Step 4: Simplify right side
    39,429.96x = 1,414,838,082.53
  5. Step 5: Solve for x
    x = 1,414,838,082.53/39,429.96
  6. Step 6: Final answer
    x = 35,882.31

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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.