Home / 71,277.72-98,363.51-38,572.13

Finding the Fourth Proportional to 71,277.72, 98,363.51 and 38,572.13

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Solution

The fourth proportional to 71,277.72, 98,363.51 and 38,572.13 is: 53,229.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,277.72 : 98,363.51 = 38,572.13 : x
  2. Step 2: Convert to fraction form
    71,277.72/98,363.51 = 38,572.13/x
  3. Step 3: Cross multiply
    71,277.72x = 98,363.51 × 38,572.13
  4. Step 4: Simplify right side
    71,277.72x = 3,794,089,410.30
  5. Step 5: Solve for x
    x = 3,794,089,410.30/71,277.72
  6. Step 6: Final answer
    x = 53,229.67

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1.5x scale

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.