Home / 48,707.29-73,052.70-13,638.88

Finding the Fourth Proportional to 48,707.29, 73,052.70 and 13,638.88

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Solution

The fourth proportional to 48,707.29, 73,052.70 and 13,638.88 is: 20,456.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,707.29 : 73,052.70 = 13,638.88 : x
  2. Step 2: Convert to fraction form
    48,707.29/73,052.70 = 13,638.88/x
  3. Step 3: Cross multiply
    48,707.29x = 73,052.70 × 13,638.88
  4. Step 4: Simplify right side
    48,707.29x = 996,357,008.98
  5. Step 5: Solve for x
    x = 996,357,008.98/48,707.29
  6. Step 6: Final answer
    x = 20,456.01

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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.