Home / 40,347.52-60,520.74-18,145.22

Finding the Fourth Proportional to 40,347.52, 60,520.74 and 18,145.22

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Solution

The fourth proportional to 40,347.52, 60,520.74 and 18,145.22 is: 27,217.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,347.52 : 60,520.74 = 18,145.22 : x
  2. Step 2: Convert to fraction form
    40,347.52/60,520.74 = 18,145.22/x
  3. Step 3: Cross multiply
    40,347.52x = 60,520.74 × 18,145.22
  4. Step 4: Simplify right side
    40,347.52x = 1,098,161,924.31
  5. Step 5: Solve for x
    x = 1,098,161,924.31/40,347.52
  6. Step 6: Final answer
    x = 27,217.58

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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.