Home / 51,247.10-70,721.08-28,587.56

Finding the Fourth Proportional to 51,247.10, 70,721.08 and 28,587.56

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Solution

The fourth proportional to 51,247.10, 70,721.08 and 28,587.56 is: 39,450.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,247.10 : 70,721.08 = 28,587.56 : x
  2. Step 2: Convert to fraction form
    51,247.10/70,721.08 = 28,587.56/x
  3. Step 3: Cross multiply
    51,247.10x = 70,721.08 × 28,587.56
  4. Step 4: Simplify right side
    51,247.10x = 2,021,743,117.76
  5. Step 5: Solve for x
    x = 2,021,743,117.76/51,247.10
  6. Step 6: Final answer
    x = 39,450.88

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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.