Home / 40,154.55-55,411.78-23,159.50

Finding the Fourth Proportional to 40,154.55, 55,411.78 and 23,159.50

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Solution

The fourth proportional to 40,154.55, 55,411.78 and 23,159.50 is: 31,959.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,154.55 : 55,411.78 = 23,159.50 : x
  2. Step 2: Convert to fraction form
    40,154.55/55,411.78 = 23,159.50/x
  3. Step 3: Cross multiply
    40,154.55x = 55,411.78 × 23,159.50
  4. Step 4: Simplify right side
    40,154.55x = 1,283,309,061.01
  5. Step 5: Solve for x
    x = 1,283,309,061.01/40,154.55
  6. Step 6: Final answer
    x = 31,959.25

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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.