Home / 57,246.74-85,842.84-21,211.46

Finding the Fourth Proportional to 57,246.74, 85,842.84 and 21,211.46

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Solution

The fourth proportional to 57,246.74, 85,842.84 and 21,211.46 is: 31,807.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,246.74 : 85,842.84 = 21,211.46 : x
  2. Step 2: Convert to fraction form
    57,246.74/85,842.84 = 21,211.46/x
  3. Step 3: Cross multiply
    57,246.74x = 85,842.84 × 21,211.46
  4. Step 4: Simplify right side
    57,246.74x = 1,820,851,966.95
  5. Step 5: Solve for x
    x = 1,820,851,966.95/57,246.74
  6. Step 6: Final answer
    x = 31,807.09

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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.