Home / 35,178.30-48,542.49-20,074.23

Finding the Fourth Proportional to 35,178.30, 48,542.49 and 20,074.23

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Solution

The fourth proportional to 35,178.30, 48,542.49 and 20,074.23 is: 27,700.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,178.30 : 48,542.49 = 20,074.23 : x
  2. Step 2: Convert to fraction form
    35,178.30/48,542.49 = 20,074.23/x
  3. Step 3: Cross multiply
    35,178.30x = 48,542.49 × 20,074.23
  4. Step 4: Simplify right side
    35,178.30x = 974,453,109.03
  5. Step 5: Solve for x
    x = 974,453,109.03/35,178.30
  6. Step 6: Final answer
    x = 27,700.40

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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.