Home / 51,700.32-77,528.52-18,428.76

Finding the Fourth Proportional to 51,700.32, 77,528.52 and 18,428.76

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Solution

The fourth proportional to 51,700.32, 77,528.52 and 18,428.76 is: 27,635.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,700.32 : 77,528.52 = 18,428.76 : x
  2. Step 2: Convert to fraction form
    51,700.32/77,528.52 = 18,428.76/x
  3. Step 3: Cross multiply
    51,700.32x = 77,528.52 × 18,428.76
  4. Step 4: Simplify right side
    51,700.32x = 1,428,754,488.24
  5. Step 5: Solve for x
    x = 1,428,754,488.24/51,700.32
  6. Step 6: Final answer
    x = 27,635.31

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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.