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Finding the Fourth Proportional to 32,509.72, 48,759.60 and 10,320.22

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Solution

The fourth proportional to 32,509.72, 48,759.60 and 10,320.22 is: 15,478.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,509.72 : 48,759.60 = 10,320.22 : x
  2. Step 2: Convert to fraction form
    32,509.72/48,759.60 = 10,320.22/x
  3. Step 3: Cross multiply
    32,509.72x = 48,759.60 × 10,320.22
  4. Step 4: Simplify right side
    32,509.72x = 503,209,799.11
  5. Step 5: Solve for x
    x = 503,209,799.11/32,509.72
  6. Step 6: Final answer
    x = 15,478.75

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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.