Home / 35,972.85-49,642.59-20,058.31

Finding the Fourth Proportional to 35,972.85, 49,642.59 and 20,058.31

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Solution

The fourth proportional to 35,972.85, 49,642.59 and 20,058.31 is: 27,680.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,972.85 : 49,642.59 = 20,058.31 : x
  2. Step 2: Convert to fraction form
    35,972.85/49,642.59 = 20,058.31/x
  3. Step 3: Cross multiply
    35,972.85x = 49,642.59 × 20,058.31
  4. Step 4: Simplify right side
    35,972.85x = 995,746,459.42
  5. Step 5: Solve for x
    x = 995,746,459.42/35,972.85
  6. Step 6: Final answer
    x = 27,680.50

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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.