Home / 42,166.38-63,249.45-12,583.50

Finding the Fourth Proportional to 42,166.38, 63,249.45 and 12,583.50

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Solution

The fourth proportional to 42,166.38, 63,249.45 and 12,583.50 is: 18,875.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,166.38 : 63,249.45 = 12,583.50 : x
  2. Step 2: Convert to fraction form
    42,166.38/63,249.45 = 12,583.50/x
  3. Step 3: Cross multiply
    42,166.38x = 63,249.45 × 12,583.50
  4. Step 4: Simplify right side
    42,166.38x = 795,899,454.08
  5. Step 5: Solve for x
    x = 795,899,454.08/42,166.38
  6. Step 6: Final answer
    x = 18,875.21

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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.