Home / 52,275.24-78,443.58-20,688.36

Finding the Fourth Proportional to 52,275.24, 78,443.58 and 20,688.36

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Solution

The fourth proportional to 52,275.24, 78,443.58 and 20,688.36 is: 31,044.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,275.24 : 78,443.58 = 20,688.36 : x
  2. Step 2: Convert to fraction form
    52,275.24/78,443.58 = 20,688.36/x
  3. Step 3: Cross multiply
    52,275.24x = 78,443.58 × 20,688.36
  4. Step 4: Simplify right side
    52,275.24x = 1,622,869,022.73
  5. Step 5: Solve for x
    x = 1,622,869,022.73/52,275.24
  6. Step 6: Final answer
    x = 31,044.70

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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.