Home / 51,377.55-70,922.82-31,240.83

Finding the Fourth Proportional to 51,377.55, 70,922.82 and 31,240.83

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Solution

The fourth proportional to 51,377.55, 70,922.82 and 31,240.83 is: 43,125.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,377.55 : 70,922.82 = 31,240.83 : x
  2. Step 2: Convert to fraction form
    51,377.55/70,922.82 = 31,240.83/x
  3. Step 3: Cross multiply
    51,377.55x = 70,922.82 × 31,240.83
  4. Step 4: Simplify right side
    51,377.55x = 2,215,687,762.74
  5. Step 5: Solve for x
    x = 2,215,687,762.74/51,377.55
  6. Step 6: Final answer
    x = 43,125.60

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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.