Home / 40,281.28-55,585.12-22,374.76

Finding the Fourth Proportional to 40,281.28, 55,585.12 and 22,374.76

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Solution

The fourth proportional to 40,281.28, 55,585.12 and 22,374.76 is: 30,875.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,281.28 : 55,585.12 = 22,374.76 : x
  2. Step 2: Convert to fraction form
    40,281.28/55,585.12 = 22,374.76/x
  3. Step 3: Cross multiply
    40,281.28x = 55,585.12 × 22,374.76
  4. Step 4: Simplify right side
    40,281.28x = 1,243,703,719.57
  5. Step 5: Solve for x
    x = 1,243,703,719.57/40,281.28
  6. Step 6: Final answer
    x = 30,875.48

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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.