Home / 35,178.89-48,542.36-20,070.68

Finding the Fourth Proportional to 35,178.89, 48,542.36 and 20,070.68

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Solution

The fourth proportional to 35,178.89, 48,542.36 and 20,070.68 is: 27,694.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,178.89 : 48,542.36 = 20,070.68 : x
  2. Step 2: Convert to fraction form
    35,178.89/48,542.36 = 20,070.68/x
  3. Step 3: Cross multiply
    35,178.89x = 48,542.36 × 20,070.68
  4. Step 4: Simplify right side
    35,178.89x = 974,277,830.94
  5. Step 5: Solve for x
    x = 974,277,830.94/35,178.89
  6. Step 6: Final answer
    x = 27,694.96

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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.