Home / 32,511.28-48,698.88-20,764.72

Finding the Fourth Proportional to 32,511.28, 48,698.88 and 20,764.72

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Solution

The fourth proportional to 32,511.28, 48,698.88 and 20,764.72 is: 31,103.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,511.28 : 48,698.88 = 20,764.72 : x
  2. Step 2: Convert to fraction form
    32,511.28/48,698.88 = 20,764.72/x
  3. Step 3: Cross multiply
    32,511.28x = 48,698.88 × 20,764.72
  4. Step 4: Simplify right side
    32,511.28x = 1,011,218,607.51
  5. Step 5: Solve for x
    x = 1,011,218,607.51/32,511.28
  6. Step 6: Final answer
    x = 31,103.62

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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.