Home / 40,222.17-55,502.15-22,312.71

Finding the Fourth Proportional to 40,222.17, 55,502.15 and 22,312.71

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Solution

The fourth proportional to 40,222.17, 55,502.15 and 22,312.71 is: 30,789.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,222.17 : 55,502.15 = 22,312.71 : x
  2. Step 2: Convert to fraction form
    40,222.17/55,502.15 = 22,312.71/x
  3. Step 3: Cross multiply
    40,222.17x = 55,502.15 × 22,312.71
  4. Step 4: Simplify right side
    40,222.17x = 1,238,403,265.76
  5. Step 5: Solve for x
    x = 1,238,403,265.76/40,222.17
  6. Step 6: Final answer
    x = 30,789.07

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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.