Home / 51,420.08-77,042.10-28,062.92

Finding the Fourth Proportional to 51,420.08, 77,042.10 and 28,062.92

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Solution

The fourth proportional to 51,420.08, 77,042.10 and 28,062.92 is: 42,046.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,420.08 : 77,042.10 = 28,062.92 : x
  2. Step 2: Convert to fraction form
    51,420.08/77,042.10 = 28,062.92/x
  3. Step 3: Cross multiply
    51,420.08x = 77,042.10 × 28,062.92
  4. Step 4: Simplify right side
    51,420.08x = 2,162,026,288.93
  5. Step 5: Solve for x
    x = 2,162,026,288.93/51,420.08
  6. Step 6: Final answer
    x = 42,046.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.