Home / 40,269.12-55,572-22,365.28

Finding the Fourth Proportional to 40,269.12, 55,572 and 22,365.28

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Solution

The fourth proportional to 40,269.12, 55,572 and 22,365.28 is: 30,864.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,269.12 : 55,572 = 22,365.28 : x
  2. Step 2: Convert to fraction form
    40,269.12/55,572 = 22,365.28/x
  3. Step 3: Cross multiply
    40,269.12x = 55,572 × 22,365.28
  4. Step 4: Simplify right side
    40,269.12x = 1,242,883,340.16
  5. Step 5: Solve for x
    x = 1,242,883,340.16/40,269.12
  6. Step 6: Final answer
    x = 30,864.43

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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.