Home / 51,042.48-70,442.52-28,383.30

Finding the Fourth Proportional to 51,042.48, 70,442.52 and 28,383.30

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Solution

The fourth proportional to 51,042.48, 70,442.52 and 28,383.30 is: 39,171.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,042.48 : 70,442.52 = 28,383.30 : x
  2. Step 2: Convert to fraction form
    51,042.48/70,442.52 = 28,383.30/x
  3. Step 3: Cross multiply
    51,042.48x = 70,442.52 × 28,383.30
  4. Step 4: Simplify right side
    51,042.48x = 1,999,391,177.92
  5. Step 5: Solve for x
    x = 1,999,391,177.92/51,042.48
  6. Step 6: Final answer
    x = 39,171.12

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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.