Home / 60,358.12-90,538.04-18,238.55

Finding the Fourth Proportional to 60,358.12, 90,538.04 and 18,238.55

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Solution

The fourth proportional to 60,358.12, 90,538.04 and 18,238.55 is: 27,358.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,358.12 : 90,538.04 = 18,238.55 : x
  2. Step 2: Convert to fraction form
    60,358.12/90,538.04 = 18,238.55/x
  3. Step 3: Cross multiply
    60,358.12x = 90,538.04 × 18,238.55
  4. Step 4: Simplify right side
    60,358.12x = 1,651,283,027.93
  5. Step 5: Solve for x
    x = 1,651,283,027.93/60,358.12
  6. Step 6: Final answer
    x = 27,358.09

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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.