Home / 54,375.48-75,041.60-30,503.70

Finding the Fourth Proportional to 54,375.48, 75,041.60 and 30,503.70

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Solution

The fourth proportional to 54,375.48, 75,041.60 and 30,503.70 is: 42,097.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,375.48 : 75,041.60 = 30,503.70 : x
  2. Step 2: Convert to fraction form
    54,375.48/75,041.60 = 30,503.70/x
  3. Step 3: Cross multiply
    54,375.48x = 75,041.60 × 30,503.70
  4. Step 4: Simplify right side
    54,375.48x = 2,289,046,301.40
  5. Step 5: Solve for x
    x = 2,289,046,301.40/54,375.48
  6. Step 6: Final answer
    x = 42,097.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.