Home / 45,124.68-67,613.04-31,953.40

Finding the Fourth Proportional to 45,124.68, 67,613.04 and 31,953.40

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Solution

The fourth proportional to 45,124.68, 67,613.04 and 31,953.40 is: 47,877.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,124.68 : 67,613.04 = 31,953.40 : x
  2. Step 2: Convert to fraction form
    45,124.68/67,613.04 = 31,953.40/x
  3. Step 3: Cross multiply
    45,124.68x = 67,613.04 × 31,953.40
  4. Step 4: Simplify right side
    45,124.68x = 2,160,466,512.34
  5. Step 5: Solve for x
    x = 2,160,466,512.34/45,124.68
  6. Step 6: Final answer
    x = 47,877.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.