Home / 48,717.01-73,088.35-20,638.20

Finding the Fourth Proportional to 48,717.01, 73,088.35 and 20,638.20

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Solution

The fourth proportional to 48,717.01, 73,088.35 and 20,638.20 is: 30,962.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,717.01 : 73,088.35 = 20,638.20 : x
  2. Step 2: Convert to fraction form
    48,717.01/73,088.35 = 20,638.20/x
  3. Step 3: Cross multiply
    48,717.01x = 73,088.35 × 20,638.20
  4. Step 4: Simplify right side
    48,717.01x = 1,508,412,207.46
  5. Step 5: Solve for x
    x = 1,508,412,207.46/48,717.01
  6. Step 6: Final answer
    x = 30,962.74

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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.