Home / 42,221.42-63,314.60-15,568.93

Finding the Fourth Proportional to 42,221.42, 63,314.60 and 15,568.93

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Solution

The fourth proportional to 42,221.42, 63,314.60 and 15,568.93 is: 23,346.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,221.42 : 63,314.60 = 15,568.93 : x
  2. Step 2: Convert to fraction form
    42,221.42/63,314.60 = 15,568.93/x
  3. Step 3: Cross multiply
    42,221.42x = 63,314.60 × 15,568.93
  4. Step 4: Simplify right side
    42,221.42x = 985,740,575.38
  5. Step 5: Solve for x
    x = 985,740,575.38/42,221.42
  6. Step 6: Final answer
    x = 23,346.93

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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.