Home / 39,962.10-59,946.12-10,380.09

Finding the Fourth Proportional to 39,962.10, 59,946.12 and 10,380.09

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Solution

The fourth proportional to 39,962.10, 59,946.12 and 10,380.09 is: 15,570.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,962.10 : 59,946.12 = 10,380.09 : x
  2. Step 2: Convert to fraction form
    39,962.10/59,946.12 = 10,380.09/x
  3. Step 3: Cross multiply
    39,962.10x = 59,946.12 × 10,380.09
  4. Step 4: Simplify right side
    39,962.10x = 622,246,120.75
  5. Step 5: Solve for x
    x = 622,246,120.75/39,962.10
  6. Step 6: Final answer
    x = 15,570.91

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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.