Home / 56,920.22-85,440.45-31,981.58

Finding the Fourth Proportional to 56,920.22, 85,440.45 and 31,981.58

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Solution

The fourth proportional to 56,920.22, 85,440.45 and 31,981.58 is: 48,006.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,920.22 : 85,440.45 = 31,981.58 : x
  2. Step 2: Convert to fraction form
    56,920.22/85,440.45 = 31,981.58/x
  3. Step 3: Cross multiply
    56,920.22x = 85,440.45 × 31,981.58
  4. Step 4: Simplify right side
    56,920.22x = 2,732,520,586.91
  5. Step 5: Solve for x
    x = 2,732,520,586.91/56,920.22
  6. Step 6: Final answer
    x = 48,006.15

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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.