Home / 42,144.80-63,216.60-12,583.04

Finding the Fourth Proportional to 42,144.80, 63,216.60 and 12,583.04

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Solution

The fourth proportional to 42,144.80, 63,216.60 and 12,583.04 is: 18,874.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,144.80 : 63,216.60 = 12,583.04 : x
  2. Step 2: Convert to fraction form
    42,144.80/63,216.60 = 12,583.04/x
  3. Step 3: Cross multiply
    42,144.80x = 63,216.60 × 12,583.04
  4. Step 4: Simplify right side
    42,144.80x = 795,457,006.46
  5. Step 5: Solve for x
    x = 795,457,006.46/42,144.80
  6. Step 6: Final answer
    x = 18,874.38

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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.