Home / 35,087.78-48,421.77-19,172.90

Finding the Fourth Proportional to 35,087.78, 48,421.77 and 19,172.90

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Solution

The fourth proportional to 35,087.78, 48,421.77 and 19,172.90 is: 26,458.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,087.78 : 48,421.77 = 19,172.90 : x
  2. Step 2: Convert to fraction form
    35,087.78/48,421.77 = 19,172.90/x
  3. Step 3: Cross multiply
    35,087.78x = 48,421.77 × 19,172.90
  4. Step 4: Simplify right side
    35,087.78x = 928,385,754.03
  5. Step 5: Solve for x
    x = 928,385,754.03/35,087.78
  6. Step 6: Final answer
    x = 26,458.95

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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.