Home / 42,522.80-63,784.20-14,814.32

Finding the Fourth Proportional to 42,522.80, 63,784.20 and 14,814.32

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Solution

The fourth proportional to 42,522.80, 63,784.20 and 14,814.32 is: 22,221.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,522.80 : 63,784.20 = 14,814.32 : x
  2. Step 2: Convert to fraction form
    42,522.80/63,784.20 = 14,814.32/x
  3. Step 3: Cross multiply
    42,522.80x = 63,784.20 × 14,814.32
  4. Step 4: Simplify right side
    42,522.80x = 944,919,549.74
  5. Step 5: Solve for x
    x = 944,919,549.74/42,522.80
  6. Step 6: Final answer
    x = 22,221.48

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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.