Home / 54,440.71-75,115.89-30,565.79

Finding the Fourth Proportional to 54,440.71, 75,115.89 and 30,565.79

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Solution

The fourth proportional to 54,440.71, 75,115.89 and 30,565.79 is: 42,173.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,440.71 : 75,115.89 = 30,565.79 : x
  2. Step 2: Convert to fraction form
    54,440.71/75,115.89 = 30,565.79/x
  3. Step 3: Cross multiply
    54,440.71x = 75,115.89 × 30,565.79
  4. Step 4: Simplify right side
    54,440.71x = 2,295,976,425.51
  5. Step 5: Solve for x
    x = 2,295,976,425.51/54,440.71
  6. Step 6: Final answer
    x = 42,173.89

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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.