Home / 54,510.91-75,215.89-30,311.19

Finding the Fourth Proportional to 54,510.91, 75,215.89 and 30,311.19

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Solution

The fourth proportional to 54,510.91, 75,215.89 and 30,311.19 is: 41,824.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,510.91 : 75,215.89 = 30,311.19 : x
  2. Step 2: Convert to fraction form
    54,510.91/75,215.89 = 30,311.19/x
  3. Step 3: Cross multiply
    54,510.91x = 75,215.89 × 30,311.19
  4. Step 4: Simplify right side
    54,510.91x = 2,279,883,132.81
  5. Step 5: Solve for x
    x = 2,279,883,132.81/54,510.91
  6. Step 6: Final answer
    x = 41,824.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.