Home / 39,403.40-59,011.12-22,728.56

Finding the Fourth Proportional to 39,403.40, 59,011.12 and 22,728.56

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Solution

The fourth proportional to 39,403.40, 59,011.12 and 22,728.56 is: 34,038.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,403.40 : 59,011.12 = 22,728.56 : x
  2. Step 2: Convert to fraction form
    39,403.40/59,011.12 = 22,728.56/x
  3. Step 3: Cross multiply
    39,403.40x = 59,011.12 × 22,728.56
  4. Step 4: Simplify right side
    39,403.40x = 1,341,237,781.59
  5. Step 5: Solve for x
    x = 1,341,237,781.59/39,403.40
  6. Step 6: Final answer
    x = 34,038.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.