Home / 49,402.35-74,117.37-19,840.92

Finding the Fourth Proportional to 49,402.35, 74,117.37 and 19,840.92

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Solution

The fourth proportional to 49,402.35, 74,117.37 and 19,840.92 is: 29,766.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,402.35 : 74,117.37 = 19,840.92 : x
  2. Step 2: Convert to fraction form
    49,402.35/74,117.37 = 19,840.92/x
  3. Step 3: Cross multiply
    49,402.35x = 74,117.37 × 19,840.92
  4. Step 4: Simplify right side
    49,402.35x = 1,470,556,808.78
  5. Step 5: Solve for x
    x = 1,470,556,808.78/49,402.35
  6. Step 6: Final answer
    x = 29,766.94

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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.