Home / 54,828.91-75,667.40-30,946.87

Finding the Fourth Proportional to 54,828.91, 75,667.40 and 30,946.87

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Solution

The fourth proportional to 54,828.91, 75,667.40 and 30,946.87 is: 42,708.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,828.91 : 75,667.40 = 30,946.87 : x
  2. Step 2: Convert to fraction form
    54,828.91/75,667.40 = 30,946.87/x
  3. Step 3: Cross multiply
    54,828.91x = 75,667.40 × 30,946.87
  4. Step 4: Simplify right side
    54,828.91x = 2,341,669,191.04
  5. Step 5: Solve for x
    x = 2,341,669,191.04/54,828.91
  6. Step 6: Final answer
    x = 42,708.66

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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.