Home / 39,957.71-55,142.02-22,052.33

Finding the Fourth Proportional to 39,957.71, 55,142.02 and 22,052.33

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Solution

The fourth proportional to 39,957.71, 55,142.02 and 22,052.33 is: 30,432.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,957.71 : 55,142.02 = 22,052.33 : x
  2. Step 2: Convert to fraction form
    39,957.71/55,142.02 = 22,052.33/x
  3. Step 3: Cross multiply
    39,957.71x = 55,142.02 × 22,052.33
  4. Step 4: Simplify right side
    39,957.71x = 1,216,009,701.41
  5. Step 5: Solve for x
    x = 1,216,009,701.41/39,957.71
  6. Step 6: Final answer
    x = 30,432.42

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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.