Home / 39,560.19-54,536.22-28,209.98

Finding the Fourth Proportional to 39,560.19, 54,536.22 and 28,209.98

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Solution

The fourth proportional to 39,560.19, 54,536.22 and 28,209.98 is: 38,889.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,560.19 : 54,536.22 = 28,209.98 : x
  2. Step 2: Convert to fraction form
    39,560.19/54,536.22 = 28,209.98/x
  3. Step 3: Cross multiply
    39,560.19x = 54,536.22 × 28,209.98
  4. Step 4: Simplify right side
    39,560.19x = 1,538,465,402.79
  5. Step 5: Solve for x
    x = 1,538,465,402.79/39,560.19
  6. Step 6: Final answer
    x = 38,889.23

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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.