Home / 45,172.18-67,762.89-15,589.93

Finding the Fourth Proportional to 45,172.18, 67,762.89 and 15,589.93

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Solution

The fourth proportional to 45,172.18, 67,762.89 and 15,589.93 is: 23,386.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,172.18 : 67,762.89 = 15,589.93 : x
  2. Step 2: Convert to fraction form
    45,172.18/67,762.89 = 15,589.93/x
  3. Step 3: Cross multiply
    45,172.18x = 67,762.89 × 15,589.93
  4. Step 4: Simplify right side
    45,172.18x = 1,056,418,711.70
  5. Step 5: Solve for x
    x = 1,056,418,711.70/45,172.18
  6. Step 6: Final answer
    x = 23,386.49

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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.