Home / 38,749.92-58,118.05-10,663.20

Finding the Fourth Proportional to 38,749.92, 58,118.05 and 10,663.20

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Solution

The fourth proportional to 38,749.92, 58,118.05 and 10,663.20 is: 15,992.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,749.92 : 58,118.05 = 10,663.20 : x
  2. Step 2: Convert to fraction form
    38,749.92/58,118.05 = 10,663.20/x
  3. Step 3: Cross multiply
    38,749.92x = 58,118.05 × 10,663.20
  4. Step 4: Simplify right side
    38,749.92x = 619,724,390.76
  5. Step 5: Solve for x
    x = 619,724,390.76/38,749.92
  6. Step 6: Final answer
    x = 15,992.92

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1.5x scale

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.