Home / 49,403.34-74,118.88-19,841.92

Finding the Fourth Proportional to 49,403.34, 74,118.88 and 19,841.92

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Solution

The fourth proportional to 49,403.34, 74,118.88 and 19,841.92 is: 29,768.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,403.34 : 74,118.88 = 19,841.92 : x
  2. Step 2: Convert to fraction form
    49,403.34/74,118.88 = 19,841.92/x
  3. Step 3: Cross multiply
    49,403.34x = 74,118.88 × 19,841.92
  4. Step 4: Simplify right side
    49,403.34x = 1,470,660,887.45
  5. Step 5: Solve for x
    x = 1,470,660,887.45/49,403.34
  6. Step 6: Final answer
    x = 29,768.45

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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.