Home / 57,314.48-85,966.63-19,873.72

Finding the Fourth Proportional to 57,314.48, 85,966.63 and 19,873.72

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Solution

The fourth proportional to 57,314.48, 85,966.63 and 19,873.72 is: 29,808.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,314.48 : 85,966.63 = 19,873.72 : x
  2. Step 2: Convert to fraction form
    57,314.48/85,966.63 = 19,873.72/x
  3. Step 3: Cross multiply
    57,314.48x = 85,966.63 × 19,873.72
  4. Step 4: Simplify right side
    57,314.48x = 1,708,476,204.76
  5. Step 5: Solve for x
    x = 1,708,476,204.76/57,314.48
  6. Step 6: Final answer
    x = 29,808.81

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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.