Home / 49,359.84-74,019.38-18,960.38

Finding the Fourth Proportional to 49,359.84, 74,019.38 and 18,960.38

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Solution

The fourth proportional to 49,359.84, 74,019.38 and 18,960.38 is: 28,432.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,359.84 : 74,019.38 = 18,960.38 : x
  2. Step 2: Convert to fraction form
    49,359.84/74,019.38 = 18,960.38/x
  3. Step 3: Cross multiply
    49,359.84x = 74,019.38 × 18,960.38
  4. Step 4: Simplify right side
    49,359.84x = 1,403,435,572.16
  5. Step 5: Solve for x
    x = 1,403,435,572.16/49,359.84
  6. Step 6: Final answer
    x = 28,432.74

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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.