Home / 45,315.65-67,985.72-32,250.95

Finding the Fourth Proportional to 45,315.65, 67,985.72 and 32,250.95

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Solution

The fourth proportional to 45,315.65, 67,985.72 and 32,250.95 is: 48,385.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,315.65 : 67,985.72 = 32,250.95 : x
  2. Step 2: Convert to fraction form
    45,315.65/67,985.72 = 32,250.95/x
  3. Step 3: Cross multiply
    45,315.65x = 67,985.72 × 32,250.95
  4. Step 4: Simplify right side
    45,315.65x = 2,192,604,056.43
  5. Step 5: Solve for x
    x = 2,192,604,056.43/45,315.65
  6. Step 6: Final answer
    x = 48,385.14

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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.