Home / 72,400.43-108,615.11-25,017.23

Finding the Fourth Proportional to 72,400.43, 108,615.11 and 25,017.23

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Solution

The fourth proportional to 72,400.43, 108,615.11 and 25,017.23 is: 37,530.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,400.43 : 108,615.11 = 25,017.23 : x
  2. Step 2: Convert to fraction form
    72,400.43/108,615.11 = 25,017.23/x
  3. Step 3: Cross multiply
    72,400.43x = 108,615.11 × 25,017.23
  4. Step 4: Simplify right side
    72,400.43x = 2,717,248,520.18
  5. Step 5: Solve for x
    x = 2,717,248,520.18/72,400.43
  6. Step 6: Final answer
    x = 37,530.84

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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.