Home / 40,392.32-55,740.80-22,487.28

Finding the Fourth Proportional to 40,392.32, 55,740.80 and 22,487.28

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Solution

The fourth proportional to 40,392.32, 55,740.80 and 22,487.28 is: 31,032.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,392.32 : 55,740.80 = 22,487.28 : x
  2. Step 2: Convert to fraction form
    40,392.32/55,740.80 = 22,487.28/x
  3. Step 3: Cross multiply
    40,392.32x = 55,740.80 × 22,487.28
  4. Step 4: Simplify right side
    40,392.32x = 1,253,458,977.02
  5. Step 5: Solve for x
    x = 1,253,458,977.02/40,392.32
  6. Step 6: Final answer
    x = 31,032.11

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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.