Home / 59,936.20-89,904.30-20,487.40

Finding the Fourth Proportional to 59,936.20, 89,904.30 and 20,487.40

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Solution

The fourth proportional to 59,936.20, 89,904.30 and 20,487.40 is: 30,731.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,936.20 : 89,904.30 = 20,487.40 : x
  2. Step 2: Convert to fraction form
    59,936.20/89,904.30 = 20,487.40/x
  3. Step 3: Cross multiply
    59,936.20x = 89,904.30 × 20,487.40
  4. Step 4: Simplify right side
    59,936.20x = 1,841,905,355.82
  5. Step 5: Solve for x
    x = 1,841,905,355.82/59,936.20
  6. Step 6: Final answer
    x = 30,731.10

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Similar ratio
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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.