Home / 39,464.20-59,099.10-18,663.40

Finding the Fourth Proportional to 39,464.20, 59,099.10 and 18,663.40

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Solution

The fourth proportional to 39,464.20, 59,099.10 and 18,663.40 is: 27,949.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,464.20 : 59,099.10 = 18,663.40 : x
  2. Step 2: Convert to fraction form
    39,464.20/59,099.10 = 18,663.40/x
  3. Step 3: Cross multiply
    39,464.20x = 59,099.10 × 18,663.40
  4. Step 4: Simplify right side
    39,464.20x = 1,102,990,142.94
  5. Step 5: Solve for x
    x = 1,102,990,142.94/39,464.20
  6. Step 6: Final answer
    x = 27,949.13

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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.