Home / 36,715.06-55,073.10-10,419.80

Finding the Fourth Proportional to 36,715.06, 55,073.10 and 10,419.80

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Solution

The fourth proportional to 36,715.06, 55,073.10 and 10,419.80 is: 15,629.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,715.06 : 55,073.10 = 10,419.80 : x
  2. Step 2: Convert to fraction form
    36,715.06/55,073.10 = 10,419.80/x
  3. Step 3: Cross multiply
    36,715.06x = 55,073.10 × 10,419.80
  4. Step 4: Simplify right side
    36,715.06x = 573,850,823.67
  5. Step 5: Solve for x
    x = 573,850,823.67/36,715.06
  6. Step 6: Final answer
    x = 15,629.85

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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.