Home / 65,218.95-97,815.60-20,833.74

Finding the Fourth Proportional to 65,218.95, 97,815.60 and 20,833.74

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Solution

The fourth proportional to 65,218.95, 97,815.60 and 20,833.74 is: 31,246.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,218.95 : 97,815.60 = 20,833.74 : x
  2. Step 2: Convert to fraction form
    65,218.95/97,815.60 = 20,833.74/x
  3. Step 3: Cross multiply
    65,218.95x = 97,815.60 × 20,833.74
  4. Step 4: Simplify right side
    65,218.95x = 2,037,864,778.34
  5. Step 5: Solve for x
    x = 2,037,864,778.34/65,218.95
  6. Step 6: Final answer
    x = 31,246.51

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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.