Home / 40,158.40-55,419.06-22,253.62

Finding the Fourth Proportional to 40,158.40, 55,419.06 and 22,253.62

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Solution

The fourth proportional to 40,158.40, 55,419.06 and 22,253.62 is: 30,710.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,158.40 : 55,419.06 = 22,253.62 : x
  2. Step 2: Convert to fraction form
    40,158.40/55,419.06 = 22,253.62/x
  3. Step 3: Cross multiply
    40,158.40x = 55,419.06 × 22,253.62
  4. Step 4: Simplify right side
    40,158.40x = 1,233,274,702.00
  5. Step 5: Solve for x
    x = 1,233,274,702.00/40,158.40
  6. Step 6: Final answer
    x = 30,710.25

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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.