Home / 54,112.23-81,210.15-35,387.19

Finding the Fourth Proportional to 54,112.23, 81,210.15 and 35,387.19

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Solution

The fourth proportional to 54,112.23, 81,210.15 and 35,387.19 is: 53,108.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,112.23 : 81,210.15 = 35,387.19 : x
  2. Step 2: Convert to fraction form
    54,112.23/81,210.15 = 35,387.19/x
  3. Step 3: Cross multiply
    54,112.23x = 81,210.15 × 35,387.19
  4. Step 4: Simplify right side
    54,112.23x = 2,873,799,007.98
  5. Step 5: Solve for x
    x = 2,873,799,007.98/54,112.23
  6. Step 6: Final answer
    x = 53,108.12

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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.