Home / 57,248.31-78,989.40-49,681.29

Finding the Fourth Proportional to 57,248.31, 78,989.40 and 49,681.29

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Solution

The fourth proportional to 57,248.31, 78,989.40 and 49,681.29 is: 68,548.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,248.31 : 78,989.40 = 49,681.29 : x
  2. Step 2: Convert to fraction form
    57,248.31/78,989.40 = 49,681.29/x
  3. Step 3: Cross multiply
    57,248.31x = 78,989.40 × 49,681.29
  4. Step 4: Simplify right side
    57,248.31x = 3,924,295,288.33
  5. Step 5: Solve for x
    x = 3,924,295,288.33/57,248.31
  6. Step 6: Final answer
    x = 68,548.67

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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.