Home / 41,155.36-61,733.28-9,990.56

Finding the Fourth Proportional to 41,155.36, 61,733.28 and 9,990.56

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Solution

The fourth proportional to 41,155.36, 61,733.28 and 9,990.56 is: 14,985.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,155.36 : 61,733.28 = 9,990.56 : x
  2. Step 2: Convert to fraction form
    41,155.36/61,733.28 = 9,990.56/x
  3. Step 3: Cross multiply
    41,155.36x = 61,733.28 × 9,990.56
  4. Step 4: Simplify right side
    41,155.36x = 616,750,037.84
  5. Step 5: Solve for x
    x = 616,750,037.84/41,155.36
  6. Step 6: Final answer
    x = 14,985.90

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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.