Home / 49,402.34-74,117.38-19,840.92

Finding the Fourth Proportional to 49,402.34, 74,117.38 and 19,840.92

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Solution

The fourth proportional to 49,402.34, 74,117.38 and 19,840.92 is: 29,766.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,402.34 : 74,117.38 = 19,840.92 : x
  2. Step 2: Convert to fraction form
    49,402.34/74,117.38 = 19,840.92/x
  3. Step 3: Cross multiply
    49,402.34x = 74,117.38 × 19,840.92
  4. Step 4: Simplify right side
    49,402.34x = 1,470,557,007.19
  5. Step 5: Solve for x
    x = 1,470,557,007.19/49,402.34
  6. Step 6: Final answer
    x = 29,766.95

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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.