Home / 51,149.73-70,586.43-28,488.99

Finding the Fourth Proportional to 51,149.73, 70,586.43 and 28,488.99

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Solution

The fourth proportional to 51,149.73, 70,586.43 and 28,488.99 is: 39,314.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,149.73 : 70,586.43 = 28,488.99 : x
  2. Step 2: Convert to fraction form
    51,149.73/70,586.43 = 28,488.99/x
  3. Step 3: Cross multiply
    51,149.73x = 70,586.43 × 28,488.99
  4. Step 4: Simplify right side
    51,149.73x = 2,010,936,098.41
  5. Step 5: Solve for x
    x = 2,010,936,098.41/51,149.73
  6. Step 6: Final answer
    x = 39,314.70

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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.