Home / 52,442.75-72,371.49-29,782.21

Finding the Fourth Proportional to 52,442.75, 72,371.49 and 29,782.21

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Solution

The fourth proportional to 52,442.75, 72,371.49 and 29,782.21 is: 41,099.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,442.75 : 72,371.49 = 29,782.21 : x
  2. Step 2: Convert to fraction form
    52,442.75/72,371.49 = 29,782.21/x
  3. Step 3: Cross multiply
    52,442.75x = 72,371.49 × 29,782.21
  4. Step 4: Simplify right side
    52,442.75x = 2,155,382,913.19
  5. Step 5: Solve for x
    x = 2,155,382,913.19/52,442.75
  6. Step 6: Final answer
    x = 41,099.73

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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.