Home / 52,138.75-71,951.05-28,264.81

Finding the Fourth Proportional to 52,138.75, 71,951.05 and 28,264.81

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Solution

The fourth proportional to 52,138.75, 71,951.05 and 28,264.81 is: 39,005.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,138.75 : 71,951.05 = 28,264.81 : x
  2. Step 2: Convert to fraction form
    52,138.75/71,951.05 = 28,264.81/x
  3. Step 3: Cross multiply
    52,138.75x = 71,951.05 × 28,264.81
  4. Step 4: Simplify right side
    52,138.75x = 2,033,682,686.89
  5. Step 5: Solve for x
    x = 2,033,682,686.89/52,138.75
  6. Step 6: Final answer
    x = 39,005.21

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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.