Home / 39,994.19-55,191.98-22,089.20

Finding the Fourth Proportional to 39,994.19, 55,191.98 and 22,089.20

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Solution

The fourth proportional to 39,994.19, 55,191.98 and 22,089.20 is: 30,483.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,994.19 : 55,191.98 = 22,089.20 : x
  2. Step 2: Convert to fraction form
    39,994.19/55,191.98 = 22,089.20/x
  3. Step 3: Cross multiply
    39,994.19x = 55,191.98 × 22,089.20
  4. Step 4: Simplify right side
    39,994.19x = 1,219,146,298.21
  5. Step 5: Solve for x
    x = 1,219,146,298.21/39,994.19
  6. Step 6: Final answer
    x = 30,483.09

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.