Home / 42,631.12-63,922.16-16,319.44

Finding the Fourth Proportional to 42,631.12, 63,922.16 and 16,319.44

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Solution

The fourth proportional to 42,631.12, 63,922.16 and 16,319.44 is: 24,469.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,631.12 : 63,922.16 = 16,319.44 : x
  2. Step 2: Convert to fraction form
    42,631.12/63,922.16 = 16,319.44/x
  3. Step 3: Cross multiply
    42,631.12x = 63,922.16 × 16,319.44
  4. Step 4: Simplify right side
    42,631.12x = 1,043,173,854.79
  5. Step 5: Solve for x
    x = 1,043,173,854.79/42,631.12
  6. Step 6: Final answer
    x = 24,469.77

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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.