Home / 31,502.22-43,479.36-18,082.55

Finding the Fourth Proportional to 31,502.22, 43,479.36 and 18,082.55

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Solution

The fourth proportional to 31,502.22, 43,479.36 and 18,082.55 is: 24,957.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,502.22 : 43,479.36 = 18,082.55 : x
  2. Step 2: Convert to fraction form
    31,502.22/43,479.36 = 18,082.55/x
  3. Step 3: Cross multiply
    31,502.22x = 43,479.36 × 18,082.55
  4. Step 4: Simplify right side
    31,502.22x = 786,217,483.77
  5. Step 5: Solve for x
    x = 786,217,483.77/31,502.22
  6. Step 6: Final answer
    x = 24,957.53

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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.