Home / 63,077.28-87,035.20-38,869.44

Finding the Fourth Proportional to 63,077.28, 87,035.20 and 38,869.44

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Solution

The fourth proportional to 63,077.28, 87,035.20 and 38,869.44 is: 53,632.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,077.28 : 87,035.20 = 38,869.44 : x
  2. Step 2: Convert to fraction form
    63,077.28/87,035.20 = 38,869.44/x
  3. Step 3: Cross multiply
    63,077.28x = 87,035.20 × 38,869.44
  4. Step 4: Simplify right side
    63,077.28x = 3,383,009,484.29
  5. Step 5: Solve for x
    x = 3,383,009,484.29/63,077.28
  6. Step 6: Final answer
    x = 53,632.77

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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.