Home / 51,645.32-77,480.78-14,709

Finding the Fourth Proportional to 51,645.32, 77,480.78 and 14,709

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Solution

The fourth proportional to 51,645.32, 77,480.78 and 14,709 is: 22,067.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,645.32 : 77,480.78 = 14,709 : x
  2. Step 2: Convert to fraction form
    51,645.32/77,480.78 = 14,709/x
  3. Step 3: Cross multiply
    51,645.32x = 77,480.78 × 14,709
  4. Step 4: Simplify right side
    51,645.32x = 1,139,664,793.02
  5. Step 5: Solve for x
    x = 1,139,664,793.02/51,645.32
  6. Step 6: Final answer
    x = 22,067.15

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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.