Home / 32,856.03-45,358.38-20,127.69

Finding the Fourth Proportional to 32,856.03, 45,358.38 and 20,127.69

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Solution

The fourth proportional to 32,856.03, 45,358.38 and 20,127.69 is: 27,786.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,856.03 : 45,358.38 = 20,127.69 : x
  2. Step 2: Convert to fraction form
    32,856.03/45,358.38 = 20,127.69/x
  3. Step 3: Cross multiply
    32,856.03x = 45,358.38 × 20,127.69
  4. Step 4: Simplify right side
    32,856.03x = 912,959,411.54
  5. Step 5: Solve for x
    x = 912,959,411.54/32,856.03
  6. Step 6: Final answer
    x = 27,786.66

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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.