Home / 51,465.60-77,189.04-15,434.64

Finding the Fourth Proportional to 51,465.60, 77,189.04 and 15,434.64

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Solution

The fourth proportional to 51,465.60, 77,189.04 and 15,434.64 is: 23,149.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,465.60 : 77,189.04 = 15,434.64 : x
  2. Step 2: Convert to fraction form
    51,465.60/77,189.04 = 15,434.64/x
  3. Step 3: Cross multiply
    51,465.60x = 77,189.04 × 15,434.64
  4. Step 4: Simplify right side
    51,465.60x = 1,191,385,044.35
  5. Step 5: Solve for x
    x = 1,191,385,044.35/51,465.60
  6. Step 6: Final answer
    x = 23,149.15

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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.