Home / 40,334.04-55,654.86-22,429.20

Finding the Fourth Proportional to 40,334.04, 55,654.86 and 22,429.20

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Solution

The fourth proportional to 40,334.04, 55,654.86 and 22,429.20 is: 30,948.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,334.04 : 55,654.86 = 22,429.20 : x
  2. Step 2: Convert to fraction form
    40,334.04/55,654.86 = 22,429.20/x
  3. Step 3: Cross multiply
    40,334.04x = 55,654.86 × 22,429.20
  4. Step 4: Simplify right side
    40,334.04x = 1,248,293,985.91
  5. Step 5: Solve for x
    x = 1,248,293,985.91/40,334.04
  6. Step 6: Final answer
    x = 30,948.90

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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.