Home / 56,258.46-84,370.68-18,808.92

Finding the Fourth Proportional to 56,258.46, 84,370.68 and 18,808.92

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Solution

The fourth proportional to 56,258.46, 84,370.68 and 18,808.92 is: 28,207.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,258.46 : 84,370.68 = 18,808.92 : x
  2. Step 2: Convert to fraction form
    56,258.46/84,370.68 = 18,808.92/x
  3. Step 3: Cross multiply
    56,258.46x = 84,370.68 × 18,808.92
  4. Step 4: Simplify right side
    56,258.46x = 1,586,921,370.47
  5. Step 5: Solve for x
    x = 1,586,921,370.47/56,258.46
  6. Step 6: Final answer
    x = 28,207.69

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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.