Home / 42,616.50-63,936.90-14,542.80

Finding the Fourth Proportional to 42,616.50, 63,936.90 and 14,542.80

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Solution

The fourth proportional to 42,616.50, 63,936.90 and 14,542.80 is: 21,818.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,616.50 : 63,936.90 = 14,542.80 : x
  2. Step 2: Convert to fraction form
    42,616.50/63,936.90 = 14,542.80/x
  3. Step 3: Cross multiply
    42,616.50x = 63,936.90 × 14,542.80
  4. Step 4: Simplify right side
    42,616.50x = 929,821,549.32
  5. Step 5: Solve for x
    x = 929,821,549.32/42,616.50
  6. Step 6: Final answer
    x = 21,818.35

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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.