Home / 40,543.06-55,943.04-22,637.20

Finding the Fourth Proportional to 40,543.06, 55,943.04 and 22,637.20

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Solution

The fourth proportional to 40,543.06, 55,943.04 and 22,637.20 is: 31,235.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,543.06 : 55,943.04 = 22,637.20 : x
  2. Step 2: Convert to fraction form
    40,543.06/55,943.04 = 22,637.20/x
  3. Step 3: Cross multiply
    40,543.06x = 55,943.04 × 22,637.20
  4. Step 4: Simplify right side
    40,543.06x = 1,266,393,785.09
  5. Step 5: Solve for x
    x = 1,266,393,785.09/40,543.06
  6. Step 6: Final answer
    x = 31,235.77

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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.