Home / 51,869.96-77,815.14-18,581.06

Finding the Fourth Proportional to 51,869.96, 77,815.14 and 18,581.06

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Solution

The fourth proportional to 51,869.96, 77,815.14 and 18,581.06 is: 27,875.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,869.96 : 77,815.14 = 18,581.06 : x
  2. Step 2: Convert to fraction form
    51,869.96/77,815.14 = 18,581.06/x
  3. Step 3: Cross multiply
    51,869.96x = 77,815.14 × 18,581.06
  4. Step 4: Simplify right side
    51,869.96x = 1,445,887,785.25
  5. Step 5: Solve for x
    x = 1,445,887,785.25/51,869.96
  6. Step 6: Final answer
    x = 27,875.24

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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.