Home / 39,909.12-59,857.98-14,945.76

Finding the Fourth Proportional to 39,909.12, 59,857.98 and 14,945.76

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Solution

The fourth proportional to 39,909.12, 59,857.98 and 14,945.76 is: 22,416.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,909.12 : 59,857.98 = 14,945.76 : x
  2. Step 2: Convert to fraction form
    39,909.12/59,857.98 = 14,945.76/x
  3. Step 3: Cross multiply
    39,909.12x = 59,857.98 × 14,945.76
  4. Step 4: Simplify right side
    39,909.12x = 894,623,003.16
  5. Step 5: Solve for x
    x = 894,623,003.16/39,909.12
  6. Step 6: Final answer
    x = 22,416.51

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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.