Home / 48,749.85-73,124.43-13,689.54

Finding the Fourth Proportional to 48,749.85, 73,124.43 and 13,689.54

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Solution

The fourth proportional to 48,749.85, 73,124.43 and 13,689.54 is: 20,534.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,749.85 : 73,124.43 = 13,689.54 : x
  2. Step 2: Convert to fraction form
    48,749.85/73,124.43 = 13,689.54/x
  3. Step 3: Cross multiply
    48,749.85x = 73,124.43 × 13,689.54
  4. Step 4: Simplify right side
    48,749.85x = 1,001,039,809.46
  5. Step 5: Solve for x
    x = 1,001,039,809.46/48,749.85
  6. Step 6: Final answer
    x = 20,534.21

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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.