Home / 40,284.60-55,601.64-22,385.76

Finding the Fourth Proportional to 40,284.60, 55,601.64 and 22,385.76

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Solution

The fourth proportional to 40,284.60, 55,601.64 and 22,385.76 is: 30,897.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,284.60 : 55,601.64 = 22,385.76 : x
  2. Step 2: Convert to fraction form
    40,284.60/55,601.64 = 22,385.76/x
  3. Step 3: Cross multiply
    40,284.60x = 55,601.64 × 22,385.76
  4. Step 4: Simplify right side
    40,284.60x = 1,244,684,968.65
  5. Step 5: Solve for x
    x = 1,244,684,968.65/40,284.60
  6. Step 6: Final answer
    x = 30,897.29

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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.