Home / 51,387.20-77,066.40-16,337.60

Finding the Fourth Proportional to 51,387.20, 77,066.40 and 16,337.60

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Solution

The fourth proportional to 51,387.20, 77,066.40 and 16,337.60 is: 24,501.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,387.20 : 77,066.40 = 16,337.60 : x
  2. Step 2: Convert to fraction form
    51,387.20/77,066.40 = 16,337.60/x
  3. Step 3: Cross multiply
    51,387.20x = 77,066.40 × 16,337.60
  4. Step 4: Simplify right side
    51,387.20x = 1,259,080,016.64
  5. Step 5: Solve for x
    x = 1,259,080,016.64/51,387.20
  6. Step 6: Final answer
    x = 24,501.82

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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.