Home / 51,981.41-71,734.37-28,108.10

Finding the Fourth Proportional to 51,981.41, 71,734.37 and 28,108.10

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Solution

The fourth proportional to 51,981.41, 71,734.37 and 28,108.10 is: 38,789.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,981.41 : 71,734.37 = 28,108.10 : x
  2. Step 2: Convert to fraction form
    51,981.41/71,734.37 = 28,108.10/x
  3. Step 3: Cross multiply
    51,981.41x = 71,734.37 × 28,108.10
  4. Step 4: Simplify right side
    51,981.41x = 2,016,316,346.18
  5. Step 5: Solve for x
    x = 2,016,316,346.18/51,981.41
  6. Step 6: Final answer
    x = 38,789.19

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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.