Home / 40,543.04-55,988.04-38,334.20

Finding the Fourth Proportional to 40,543.04, 55,988.04 and 38,334.20

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Solution

The fourth proportional to 40,543.04, 55,988.04 and 38,334.20 is: 52,937.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,543.04 : 55,988.04 = 38,334.20 : x
  2. Step 2: Convert to fraction form
    40,543.04/55,988.04 = 38,334.20/x
  3. Step 3: Cross multiply
    40,543.04x = 55,988.04 × 38,334.20
  4. Step 4: Simplify right side
    40,543.04x = 2,146,256,722.97
  5. Step 5: Solve for x
    x = 2,146,256,722.97/40,543.04
  6. Step 6: Final answer
    x = 52,937.74

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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.