Home / 48,478.83-72,678.95-21,805.29

Finding the Fourth Proportional to 48,478.83, 72,678.95 and 21,805.29

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Solution

The fourth proportional to 48,478.83, 72,678.95 and 21,805.29 is: 32,690.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,478.83 : 72,678.95 = 21,805.29 : x
  2. Step 2: Convert to fraction form
    48,478.83/72,678.95 = 21,805.29/x
  3. Step 3: Cross multiply
    48,478.83x = 72,678.95 × 21,805.29
  4. Step 4: Simplify right side
    48,478.83x = 1,584,785,472.62
  5. Step 5: Solve for x
    x = 1,584,785,472.62/48,478.83
  6. Step 6: Final answer
    x = 32,690.26

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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.