Home / 40,543.50-55,946.07-27,807.57

Finding the Fourth Proportional to 40,543.50, 55,946.07 and 27,807.57

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Solution

The fourth proportional to 40,543.50, 55,946.07 and 27,807.57 is: 38,371.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,543.50 : 55,946.07 = 27,807.57 : x
  2. Step 2: Convert to fraction form
    40,543.50/55,946.07 = 27,807.57/x
  3. Step 3: Cross multiply
    40,543.50x = 55,946.07 × 27,807.57
  4. Step 4: Simplify right side
    40,543.50x = 1,555,724,257.75
  5. Step 5: Solve for x
    x = 1,555,724,257.75/40,543.50
  6. Step 6: Final answer
    x = 38,371.73

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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.