Home / 32,139.36-48,207.60-8,765.72

Finding the Fourth Proportional to 32,139.36, 48,207.60 and 8,765.72

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Solution

The fourth proportional to 32,139.36, 48,207.60 and 8,765.72 is: 13,148.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,139.36 : 48,207.60 = 8,765.72 : x
  2. Step 2: Convert to fraction form
    32,139.36/48,207.60 = 8,765.72/x
  3. Step 3: Cross multiply
    32,139.36x = 48,207.60 × 8,765.72
  4. Step 4: Simplify right side
    32,139.36x = 422,574,323.47
  5. Step 5: Solve for x
    x = 422,574,323.47/32,139.36
  6. Step 6: Final answer
    x = 13,148.19

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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.