Home / 51,656.64-77,511.12-38,535.36

Finding the Fourth Proportional to 51,656.64, 77,511.12 and 38,535.36

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Solution

The fourth proportional to 51,656.64, 77,511.12 and 38,535.36 is: 57,822.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,656.64 : 77,511.12 = 38,535.36 : x
  2. Step 2: Convert to fraction form
    51,656.64/77,511.12 = 38,535.36/x
  3. Step 3: Cross multiply
    51,656.64x = 77,511.12 × 38,535.36
  4. Step 4: Simplify right side
    51,656.64x = 2,986,918,913.20
  5. Step 5: Solve for x
    x = 2,986,918,913.20/51,656.64
  6. Step 6: Final answer
    x = 57,822.56

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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.