Home / 39,149.88-54,026.40-22,157.52

Finding the Fourth Proportional to 39,149.88, 54,026.40 and 22,157.52

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Solution

The fourth proportional to 39,149.88, 54,026.40 and 22,157.52 is: 30,577.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,149.88 : 54,026.40 = 22,157.52 : x
  2. Step 2: Convert to fraction form
    39,149.88/54,026.40 = 22,157.52/x
  3. Step 3: Cross multiply
    39,149.88x = 54,026.40 × 22,157.52
  4. Step 4: Simplify right side
    39,149.88x = 1,197,091,038.53
  5. Step 5: Solve for x
    x = 1,197,091,038.53/39,149.88
  6. Step 6: Final answer
    x = 30,577.13

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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.