Home / 47,516.56-71,294.75-20,848.79

Finding the Fourth Proportional to 47,516.56, 71,294.75 and 20,848.79

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Solution

The fourth proportional to 47,516.56, 71,294.75 and 20,848.79 is: 31,281.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,516.56 : 71,294.75 = 20,848.79 : x
  2. Step 2: Convert to fraction form
    47,516.56/71,294.75 = 20,848.79/x
  3. Step 3: Cross multiply
    47,516.56x = 71,294.75 × 20,848.79
  4. Step 4: Simplify right side
    47,516.56x = 1,486,409,423.03
  5. Step 5: Solve for x
    x = 1,486,409,423.03/47,516.56
  6. Step 6: Final answer
    x = 31,281.93

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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.