Home / 40,272.09-60,419.06-12,193.08

Finding the Fourth Proportional to 40,272.09, 60,419.06 and 12,193.08

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Solution

The fourth proportional to 40,272.09, 60,419.06 and 12,193.08 is: 18,292.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,272.09 : 60,419.06 = 12,193.08 : x
  2. Step 2: Convert to fraction form
    40,272.09/60,419.06 = 12,193.08/x
  3. Step 3: Cross multiply
    40,272.09x = 60,419.06 × 12,193.08
  4. Step 4: Simplify right side
    40,272.09x = 736,694,598.74
  5. Step 5: Solve for x
    x = 736,694,598.74/40,272.09
  6. Step 6: Final answer
    x = 18,292.93

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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.