Home / 51,921.79-71,652.07-28,048.47

Finding the Fourth Proportional to 51,921.79, 71,652.07 and 28,048.47

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Solution

The fourth proportional to 51,921.79, 71,652.07 and 28,048.47 is: 38,706.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,921.79 : 71,652.07 = 28,048.47 : x
  2. Step 2: Convert to fraction form
    51,921.79/71,652.07 = 28,048.47/x
  3. Step 3: Cross multiply
    51,921.79x = 71,652.07 × 28,048.47
  4. Step 4: Simplify right side
    51,921.79x = 2,009,730,577.57
  5. Step 5: Solve for x
    x = 2,009,730,577.57/51,921.79
  6. Step 6: Final answer
    x = 38,706.88

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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.