Home / 45,000.74-67,510.65-15,410.63

Finding the Fourth Proportional to 45,000.74, 67,510.65 and 15,410.63

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Solution

The fourth proportional to 45,000.74, 67,510.65 and 15,410.63 is: 23,119.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,000.74 : 67,510.65 = 15,410.63 : x
  2. Step 2: Convert to fraction form
    45,000.74/67,510.65 = 15,410.63/x
  3. Step 3: Cross multiply
    45,000.74x = 67,510.65 × 15,410.63
  4. Step 4: Simplify right side
    45,000.74x = 1,040,381,310.66
  5. Step 5: Solve for x
    x = 1,040,381,310.66/45,000.74
  6. Step 6: Final answer
    x = 23,119.21

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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.