Home / 39,585.74-54,613.40-25,981.34

Finding the Fourth Proportional to 39,585.74, 54,613.40 and 25,981.34

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Solution

The fourth proportional to 39,585.74, 54,613.40 and 25,981.34 is: 35,844.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,585.74 : 54,613.40 = 25,981.34 : x
  2. Step 2: Convert to fraction form
    39,585.74/54,613.40 = 25,981.34/x
  3. Step 3: Cross multiply
    39,585.74x = 54,613.40 × 25,981.34
  4. Step 4: Simplify right side
    39,585.74x = 1,418,929,313.96
  5. Step 5: Solve for x
    x = 1,418,929,313.96/39,585.74
  6. Step 6: Final answer
    x = 35,844.46

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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.