Home / 51,116.57-70,540.10-28,455.52

Finding the Fourth Proportional to 51,116.57, 70,540.10 and 28,455.52

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Solution

The fourth proportional to 51,116.57, 70,540.10 and 28,455.52 is: 39,268.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,116.57 : 70,540.10 = 28,455.52 : x
  2. Step 2: Convert to fraction form
    51,116.57/70,540.10 = 28,455.52/x
  3. Step 3: Cross multiply
    51,116.57x = 70,540.10 × 28,455.52
  4. Step 4: Simplify right side
    51,116.57x = 2,007,254,731.37
  5. Step 5: Solve for x
    x = 2,007,254,731.37/51,116.57
  6. Step 6: Final answer
    x = 39,268.19

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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.