Home / 39,957.80-55,139.40-22,052.34

Finding the Fourth Proportional to 39,957.80, 55,139.40 and 22,052.34

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Solution

The fourth proportional to 39,957.80, 55,139.40 and 22,052.34 is: 30,430.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,957.80 : 55,139.40 = 22,052.34 : x
  2. Step 2: Convert to fraction form
    39,957.80/55,139.40 = 22,052.34/x
  3. Step 3: Cross multiply
    39,957.80x = 55,139.40 × 22,052.34
  4. Step 4: Simplify right side
    39,957.80x = 1,215,952,796.20
  5. Step 5: Solve for x
    x = 1,215,952,796.20/39,957.80
  6. Step 6: Final answer
    x = 30,430.93

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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.