Home / 40,398.75-60,604.69-11,938.59

Finding the Fourth Proportional to 40,398.75, 60,604.69 and 11,938.59

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Solution

The fourth proportional to 40,398.75, 60,604.69 and 11,938.59 is: 17,909.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,398.75 : 60,604.69 = 11,938.59 : x
  2. Step 2: Convert to fraction form
    40,398.75/60,604.69 = 11,938.59/x
  3. Step 3: Cross multiply
    40,398.75x = 60,604.69 × 11,938.59
  4. Step 4: Simplify right side
    40,398.75x = 723,534,538.53
  5. Step 5: Solve for x
    x = 723,534,538.53/40,398.75
  6. Step 6: Final answer
    x = 17,909.82

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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.