Home / 49,437.20-68,228.26-28,219.66

Finding the Fourth Proportional to 49,437.20, 68,228.26 and 28,219.66

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Solution

The fourth proportional to 49,437.20, 68,228.26 and 28,219.66 is: 38,945.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,437.20 : 68,228.26 = 28,219.66 : x
  2. Step 2: Convert to fraction form
    49,437.20/68,228.26 = 28,219.66/x
  3. Step 3: Cross multiply
    49,437.20x = 68,228.26 × 28,219.66
  4. Step 4: Simplify right side
    49,437.20x = 1,925,378,058.47
  5. Step 5: Solve for x
    x = 1,925,378,058.47/49,437.20
  6. Step 6: Final answer
    x = 38,945.93

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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.