Home / 40,010.12-60,018.29-11,928.03

Finding the Fourth Proportional to 40,010.12, 60,018.29 and 11,928.03

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Solution

The fourth proportional to 40,010.12, 60,018.29 and 11,928.03 is: 17,892.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,010.12 : 60,018.29 = 11,928.03 : x
  2. Step 2: Convert to fraction form
    40,010.12/60,018.29 = 11,928.03/x
  3. Step 3: Cross multiply
    40,010.12x = 60,018.29 × 11,928.03
  4. Step 4: Simplify right side
    40,010.12x = 715,899,963.67
  5. Step 5: Solve for x
    x = 715,899,963.67/40,010.12
  6. Step 6: Final answer
    x = 17,892.97

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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.