Home / 39,854.42-59,780.99-13,577.46

Finding the Fourth Proportional to 39,854.42, 59,780.99 and 13,577.46

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Solution

The fourth proportional to 39,854.42, 59,780.99 and 13,577.46 is: 20,365.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,854.42 : 59,780.99 = 13,577.46 : x
  2. Step 2: Convert to fraction form
    39,854.42/59,780.99 = 13,577.46/x
  3. Step 3: Cross multiply
    39,854.42x = 59,780.99 × 13,577.46
  4. Step 4: Simplify right side
    39,854.42x = 811,674,000.49
  5. Step 5: Solve for x
    x = 811,674,000.49/39,854.42
  6. Step 6: Final answer
    x = 20,365.97

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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.