Home / 39,962.91-55,148.51-22,057.91

Finding the Fourth Proportional to 39,962.91, 55,148.51 and 22,057.91

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Solution

The fourth proportional to 39,962.91, 55,148.51 and 22,057.91 is: 30,439.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,962.91 : 55,148.51 = 22,057.91 : x
  2. Step 2: Convert to fraction form
    39,962.91/55,148.51 = 22,057.91/x
  3. Step 3: Cross multiply
    39,962.91x = 55,148.51 × 22,057.91
  4. Step 4: Simplify right side
    39,962.91x = 1,216,460,941.73
  5. Step 5: Solve for x
    x = 1,216,460,941.73/39,962.91
  6. Step 6: Final answer
    x = 30,439.75

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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.