Home / 40,210.88-60,326.34-12,130.24

Finding the Fourth Proportional to 40,210.88, 60,326.34 and 12,130.24

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Solution

The fourth proportional to 40,210.88, 60,326.34 and 12,130.24 is: 18,198.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,210.88 : 60,326.34 = 12,130.24 : x
  2. Step 2: Convert to fraction form
    40,210.88/60,326.34 = 12,130.24/x
  3. Step 3: Cross multiply
    40,210.88x = 60,326.34 × 12,130.24
  4. Step 4: Simplify right side
    40,210.88x = 731,772,982.52
  5. Step 5: Solve for x
    x = 731,772,982.52/40,210.88
  6. Step 6: Final answer
    x = 18,198.38

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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.