Home / 40,922.20-61,368.90-18,746.20

Finding the Fourth Proportional to 40,922.20, 61,368.90 and 18,746.20

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Solution

The fourth proportional to 40,922.20, 61,368.90 and 18,746.20 is: 28,112.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,922.20 : 61,368.90 = 18,746.20 : x
  2. Step 2: Convert to fraction form
    40,922.20/61,368.90 = 18,746.20/x
  3. Step 3: Cross multiply
    40,922.20x = 61,368.90 × 18,746.20
  4. Step 4: Simplify right side
    40,922.20x = 1,150,433,673.18
  5. Step 5: Solve for x
    x = 1,150,433,673.18/40,922.20
  6. Step 6: Final answer
    x = 28,112.70

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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.