Home / 54,282.29-74,909.51-30,409.13

Finding the Fourth Proportional to 54,282.29, 74,909.51 and 30,409.13

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Solution

The fourth proportional to 54,282.29, 74,909.51 and 30,409.13 is: 41,964.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,282.29 : 74,909.51 = 30,409.13 : x
  2. Step 2: Convert to fraction form
    54,282.29/74,909.51 = 30,409.13/x
  3. Step 3: Cross multiply
    54,282.29x = 74,909.51 × 30,409.13
  4. Step 4: Simplify right side
    54,282.29x = 2,277,933,027.83
  5. Step 5: Solve for x
    x = 2,277,933,027.83/54,282.29
  6. Step 6: Final answer
    x = 41,964.57

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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.