Home / 40,948.62-61,348.41-28,442.22

Finding the Fourth Proportional to 40,948.62, 61,348.41 and 28,442.22

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Solution

The fourth proportional to 40,948.62, 61,348.41 and 28,442.22 is: 42,611.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,948.62 : 61,348.41 = 28,442.22 : x
  2. Step 2: Convert to fraction form
    40,948.62/61,348.41 = 28,442.22/x
  3. Step 3: Cross multiply
    40,948.62x = 61,348.41 × 28,442.22
  4. Step 4: Simplify right side
    40,948.62x = 1,744,884,973.87
  5. Step 5: Solve for x
    x = 1,744,884,973.87/40,948.62
  6. Step 6: Final answer
    x = 42,611.57

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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.