Home / 39,962.59-55,148.25-22,057.47

Finding the Fourth Proportional to 39,962.59, 55,148.25 and 22,057.47

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Solution

The fourth proportional to 39,962.59, 55,148.25 and 22,057.47 is: 30,439.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,962.59 : 55,148.25 = 22,057.47 : x
  2. Step 2: Convert to fraction form
    39,962.59/55,148.25 = 22,057.47/x
  3. Step 3: Cross multiply
    39,962.59x = 55,148.25 × 22,057.47
  4. Step 4: Simplify right side
    39,962.59x = 1,216,430,869.93
  5. Step 5: Solve for x
    x = 1,216,430,869.93/39,962.59
  6. Step 6: Final answer
    x = 30,439.24

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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.