Home / 57,050.11-78,719.61-33,177.79

Finding the Fourth Proportional to 57,050.11, 78,719.61 and 33,177.79

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Solution

The fourth proportional to 57,050.11, 78,719.61 and 33,177.79 is: 45,779.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,050.11 : 78,719.61 = 33,177.79 : x
  2. Step 2: Convert to fraction form
    57,050.11/78,719.61 = 33,177.79/x
  3. Step 3: Cross multiply
    57,050.11x = 78,719.61 × 33,177.79
  4. Step 4: Simplify right side
    57,050.11x = 2,611,742,689.46
  5. Step 5: Solve for x
    x = 2,611,742,689.46/57,050.11
  6. Step 6: Final answer
    x = 45,779.80

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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.