Home / 40,329.68-60,465.70-18,970.43

Finding the Fourth Proportional to 40,329.68, 60,465.70 and 18,970.43

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Solution

The fourth proportional to 40,329.68, 60,465.70 and 18,970.43 is: 28,442.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,329.68 : 60,465.70 = 18,970.43 : x
  2. Step 2: Convert to fraction form
    40,329.68/60,465.70 = 18,970.43/x
  3. Step 3: Cross multiply
    40,329.68x = 60,465.70 × 18,970.43
  4. Step 4: Simplify right side
    40,329.68x = 1,147,060,432.99
  5. Step 5: Solve for x
    x = 1,147,060,432.99/40,329.68
  6. Step 6: Final answer
    x = 28,442.09

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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.