Home / 48,749.27-73,128.35-13,688.69

Finding the Fourth Proportional to 48,749.27, 73,128.35 and 13,688.69

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Solution

The fourth proportional to 48,749.27, 73,128.35 and 13,688.69 is: 20,534.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,749.27 : 73,128.35 = 13,688.69 : x
  2. Step 2: Convert to fraction form
    48,749.27/73,128.35 = 13,688.69/x
  3. Step 3: Cross multiply
    48,749.27x = 73,128.35 × 13,688.69
  4. Step 4: Simplify right side
    48,749.27x = 1,001,030,981.94
  5. Step 5: Solve for x
    x = 1,001,030,981.94/48,749.27
  6. Step 6: Final answer
    x = 20,534.28

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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.