Home / 40,223.58-60,344.01-12,145.74

Finding the Fourth Proportional to 40,223.58, 60,344.01 and 12,145.74

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Solution

The fourth proportional to 40,223.58, 60,344.01 and 12,145.74 is: 18,221.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,223.58 : 60,344.01 = 12,145.74 : x
  2. Step 2: Convert to fraction form
    40,223.58/60,344.01 = 12,145.74/x
  3. Step 3: Cross multiply
    40,223.58x = 60,344.01 × 12,145.74
  4. Step 4: Simplify right side
    40,223.58x = 732,922,656.02
  5. Step 5: Solve for x
    x = 732,922,656.02/40,223.58
  6. Step 6: Final answer
    x = 18,221.22

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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.