Home / 50,521.60-69,720.15-27,861.40

Finding the Fourth Proportional to 50,521.60, 69,720.15 and 27,861.40

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Solution

The fourth proportional to 50,521.60, 69,720.15 and 27,861.40 is: 38,448.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,521.60 : 69,720.15 = 27,861.40 : x
  2. Step 2: Convert to fraction form
    50,521.60/69,720.15 = 27,861.40/x
  3. Step 3: Cross multiply
    50,521.60x = 69,720.15 × 27,861.40
  4. Step 4: Simplify right side
    50,521.60x = 1,942,500,987.21
  5. Step 5: Solve for x
    x = 1,942,500,987.21/50,521.60
  6. Step 6: Final answer
    x = 38,448.92

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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.