Home / 51,248.91-70,723.61-28,587.33

Finding the Fourth Proportional to 51,248.91, 70,723.61 and 28,587.33

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Solution

The fourth proportional to 51,248.91, 70,723.61 and 28,587.33 is: 39,450.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,248.91 : 70,723.61 = 28,587.33 : x
  2. Step 2: Convert to fraction form
    51,248.91/70,723.61 = 28,587.33/x
  3. Step 3: Cross multiply
    51,248.91x = 70,723.61 × 28,587.33
  4. Step 4: Simplify right side
    51,248.91x = 2,021,799,034.92
  5. Step 5: Solve for x
    x = 2,021,799,034.92/51,248.91
  6. Step 6: Final answer
    x = 39,450.58

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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.