Home / 48,218.08-72,319.60-13,160.48

Finding the Fourth Proportional to 48,218.08, 72,319.60 and 13,160.48

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Solution

The fourth proportional to 48,218.08, 72,319.60 and 13,160.48 is: 19,738.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,218.08 : 72,319.60 = 13,160.48 : x
  2. Step 2: Convert to fraction form
    48,218.08/72,319.60 = 13,160.48/x
  3. Step 3: Cross multiply
    48,218.08x = 72,319.60 × 13,160.48
  4. Step 4: Simplify right side
    48,218.08x = 951,760,649.41
  5. Step 5: Solve for x
    x = 951,760,649.41/48,218.08
  6. Step 6: Final answer
    x = 19,738.67

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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.