Home / 40,291.08-55,599.12-22,385.76

Finding the Fourth Proportional to 40,291.08, 55,599.12 and 22,385.76

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Solution

The fourth proportional to 40,291.08, 55,599.12 and 22,385.76 is: 30,890.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,291.08 : 55,599.12 = 22,385.76 : x
  2. Step 2: Convert to fraction form
    40,291.08/55,599.12 = 22,385.76/x
  3. Step 3: Cross multiply
    40,291.08x = 55,599.12 × 22,385.76
  4. Step 4: Simplify right side
    40,291.08x = 1,244,628,556.53
  5. Step 5: Solve for x
    x = 1,244,628,556.53/40,291.08
  6. Step 6: Final answer
    x = 30,890.92

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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.