Home / 40,237.68-55,527.36-22,332.72

Finding the Fourth Proportional to 40,237.68, 55,527.36 and 22,332.72

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Solution

The fourth proportional to 40,237.68, 55,527.36 and 22,332.72 is: 30,818.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,237.68 : 55,527.36 = 22,332.72 : x
  2. Step 2: Convert to fraction form
    40,237.68/55,527.36 = 22,332.72/x
  3. Step 3: Cross multiply
    40,237.68x = 55,527.36 × 22,332.72
  4. Step 4: Simplify right side
    40,237.68x = 1,240,076,983.22
  5. Step 5: Solve for x
    x = 1,240,076,983.22/40,237.68
  6. Step 6: Final answer
    x = 30,818.80

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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.