Home / 23,330.76-32,109.14-21,442.44

Finding the Fourth Proportional to 23,330.76, 32,109.14 and 21,442.44

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Solution

The fourth proportional to 23,330.76, 32,109.14 and 21,442.44 is: 29,510.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,330.76 : 32,109.14 = 21,442.44 : x
  2. Step 2: Convert to fraction form
    23,330.76/32,109.14 = 21,442.44/x
  3. Step 3: Cross multiply
    23,330.76x = 32,109.14 × 21,442.44
  4. Step 4: Simplify right side
    23,330.76x = 688,498,307.90
  5. Step 5: Solve for x
    x = 688,498,307.90/23,330.76
  6. Step 6: Final answer
    x = 29,510.32

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.