Home / 38,220.39-57,333.15-10,140.03

Finding the Fourth Proportional to 38,220.39, 57,333.15 and 10,140.03

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Solution

The fourth proportional to 38,220.39, 57,333.15 and 10,140.03 is: 15,210.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,220.39 : 57,333.15 = 10,140.03 : x
  2. Step 2: Convert to fraction form
    38,220.39/57,333.15 = 10,140.03/x
  3. Step 3: Cross multiply
    38,220.39x = 57,333.15 × 10,140.03
  4. Step 4: Simplify right side
    38,220.39x = 581,359,860.99
  5. Step 5: Solve for x
    x = 581,359,860.99/38,220.39
  6. Step 6: Final answer
    x = 15,210.73

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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.