Home / 40,378.68-55,722.02-22,473.69

Finding the Fourth Proportional to 40,378.68, 55,722.02 and 22,473.69

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Solution

The fourth proportional to 40,378.68, 55,722.02 and 22,473.69 is: 31,013.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,378.68 : 55,722.02 = 22,473.69 : x
  2. Step 2: Convert to fraction form
    40,378.68/55,722.02 = 22,473.69/x
  3. Step 3: Cross multiply
    40,378.68x = 55,722.02 × 22,473.69
  4. Step 4: Simplify right side
    40,378.68x = 1,252,279,668.80
  5. Step 5: Solve for x
    x = 1,252,279,668.80/40,378.68
  6. Step 6: Final answer
    x = 31,013.39

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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.