Home / 51,273.18-70,754.76-28,611.90

Finding the Fourth Proportional to 51,273.18, 70,754.76 and 28,611.90

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Solution

The fourth proportional to 51,273.18, 70,754.76 and 28,611.90 is: 39,483.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,273.18 : 70,754.76 = 28,611.90 : x
  2. Step 2: Convert to fraction form
    51,273.18/70,754.76 = 28,611.90/x
  3. Step 3: Cross multiply
    51,273.18x = 70,754.76 × 28,611.90
  4. Step 4: Simplify right side
    51,273.18x = 2,024,428,117.64
  5. Step 5: Solve for x
    x = 2,024,428,117.64/51,273.18
  6. Step 6: Final answer
    x = 39,483.18

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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.