Home / 40,055.04-60,079.20-12,353.28

Finding the Fourth Proportional to 40,055.04, 60,079.20 and 12,353.28

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Solution

The fourth proportional to 40,055.04, 60,079.20 and 12,353.28 is: 18,528.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,055.04 : 60,079.20 = 12,353.28 : x
  2. Step 2: Convert to fraction form
    40,055.04/60,079.20 = 12,353.28/x
  3. Step 3: Cross multiply
    40,055.04x = 60,079.20 × 12,353.28
  4. Step 4: Simplify right side
    40,055.04x = 742,175,179.78
  5. Step 5: Solve for x
    x = 742,175,179.78/40,055.04
  6. Step 6: Final answer
    x = 18,528.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.