Home / 39,962.40-59,943.60-31,149.60

Finding the Fourth Proportional to 39,962.40, 59,943.60 and 31,149.60

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Solution

The fourth proportional to 39,962.40, 59,943.60 and 31,149.60 is: 46,724.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,962.40 : 59,943.60 = 31,149.60 : x
  2. Step 2: Convert to fraction form
    39,962.40/59,943.60 = 31,149.60/x
  3. Step 3: Cross multiply
    39,962.40x = 59,943.60 × 31,149.60
  4. Step 4: Simplify right side
    39,962.40x = 1,867,219,162.56
  5. Step 5: Solve for x
    x = 1,867,219,162.56/39,962.40
  6. Step 6: Final answer
    x = 46,724.40

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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.