Home / 51,277.92-70,761.24-28,615.68

Finding the Fourth Proportional to 51,277.92, 70,761.24 and 28,615.68

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Solution

The fourth proportional to 51,277.92, 70,761.24 and 28,615.68 is: 39,488.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,277.92 : 70,761.24 = 28,615.68 : x
  2. Step 2: Convert to fraction form
    51,277.92/70,761.24 = 28,615.68/x
  3. Step 3: Cross multiply
    51,277.92x = 70,761.24 × 28,615.68
  4. Step 4: Simplify right side
    51,277.92x = 2,024,881,000.24
  5. Step 5: Solve for x
    x = 2,024,881,000.24/51,277.92
  6. Step 6: Final answer
    x = 39,488.36

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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.