Home / 60,720.54-91,081.04-18,600.45

Finding the Fourth Proportional to 60,720.54, 91,081.04 and 18,600.45

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Solution

The fourth proportional to 60,720.54, 91,081.04 and 18,600.45 is: 27,900.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,720.54 : 91,081.04 = 18,600.45 : x
  2. Step 2: Convert to fraction form
    60,720.54/91,081.04 = 18,600.45/x
  3. Step 3: Cross multiply
    60,720.54x = 91,081.04 × 18,600.45
  4. Step 4: Simplify right side
    60,720.54x = 1,694,148,330.47
  5. Step 5: Solve for x
    x = 1,694,148,330.47/60,720.54
  6. Step 6: Final answer
    x = 27,900.75

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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.