Home / 42,247.53-63,348.08-14,152.82

Finding the Fourth Proportional to 42,247.53, 63,348.08 and 14,152.82

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Solution

The fourth proportional to 42,247.53, 63,348.08 and 14,152.82 is: 21,221.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,247.53 : 63,348.08 = 14,152.82 : x
  2. Step 2: Convert to fraction form
    42,247.53/63,348.08 = 14,152.82/x
  3. Step 3: Cross multiply
    42,247.53x = 63,348.08 × 14,152.82
  4. Step 4: Simplify right side
    42,247.53x = 896,553,586.08
  5. Step 5: Solve for x
    x = 896,553,586.08/42,247.53
  6. Step 6: Final answer
    x = 21,221.44

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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.