Home / 42,465.60-63,674.40-16,171.20

Finding the Fourth Proportional to 42,465.60, 63,674.40 and 16,171.20

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Solution

The fourth proportional to 42,465.60, 63,674.40 and 16,171.20 is: 24,247.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,465.60 : 63,674.40 = 16,171.20 : x
  2. Step 2: Convert to fraction form
    42,465.60/63,674.40 = 16,171.20/x
  3. Step 3: Cross multiply
    42,465.60x = 63,674.40 × 16,171.20
  4. Step 4: Simplify right side
    42,465.60x = 1,029,691,457.28
  5. Step 5: Solve for x
    x = 1,029,691,457.28/42,465.60
  6. Step 6: Final answer
    x = 24,247.66

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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.