Home / 32,515.32-48,859.38-30,415.80

Finding the Fourth Proportional to 32,515.32, 48,859.38 and 30,415.80

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Solution

The fourth proportional to 32,515.32, 48,859.38 and 30,415.80 is: 45,704.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,515.32 : 48,859.38 = 30,415.80 : x
  2. Step 2: Convert to fraction form
    32,515.32/48,859.38 = 30,415.80/x
  3. Step 3: Cross multiply
    32,515.32x = 48,859.38 × 30,415.80
  4. Step 4: Simplify right side
    32,515.32x = 1,486,097,130.20
  5. Step 5: Solve for x
    x = 1,486,097,130.20/32,515.32
  6. Step 6: Final answer
    x = 45,704.52

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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.