Home / 42,379.12-63,585.40-16,090.84

Finding the Fourth Proportional to 42,379.12, 63,585.40 and 16,090.84

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Solution

The fourth proportional to 42,379.12, 63,585.40 and 16,090.84 is: 24,142.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,379.12 : 63,585.40 = 16,090.84 : x
  2. Step 2: Convert to fraction form
    42,379.12/63,585.40 = 16,090.84/x
  3. Step 3: Cross multiply
    42,379.12x = 63,585.40 × 16,090.84
  4. Step 4: Simplify right side
    42,379.12x = 1,023,142,497.74
  5. Step 5: Solve for x
    x = 1,023,142,497.74/42,379.12
  6. Step 6: Final answer
    x = 24,142.61

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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.