Home / 57,135.68-78,854.28-34,487.67

Finding the Fourth Proportional to 57,135.68, 78,854.28 and 34,487.67

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Solution

The fourth proportional to 57,135.68, 78,854.28 and 34,487.67 is: 47,597.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,135.68 : 78,854.28 = 34,487.67 : x
  2. Step 2: Convert to fraction form
    57,135.68/78,854.28 = 34,487.67/x
  3. Step 3: Cross multiply
    57,135.68x = 78,854.28 × 34,487.67
  4. Step 4: Simplify right side
    57,135.68x = 2,719,500,386.73
  5. Step 5: Solve for x
    x = 2,719,500,386.73/57,135.68
  6. Step 6: Final answer
    x = 47,597.24

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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.