Home / 42,416.04-63,525.60-40,939.86

Finding the Fourth Proportional to 42,416.04, 63,525.60 and 40,939.86

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Solution

The fourth proportional to 42,416.04, 63,525.60 and 40,939.86 is: 61,314.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,416.04 : 63,525.60 = 40,939.86 : x
  2. Step 2: Convert to fraction form
    42,416.04/63,525.60 = 40,939.86/x
  3. Step 3: Cross multiply
    42,416.04x = 63,525.60 × 40,939.86
  4. Step 4: Simplify right side
    42,416.04x = 2,600,729,170.42
  5. Step 5: Solve for x
    x = 2,600,729,170.42/42,416.04
  6. Step 6: Final answer
    x = 61,314.76

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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.