Home / 42,083.21-58,095.87-26,172.78

Finding the Fourth Proportional to 42,083.21, 58,095.87 and 26,172.78

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Solution

The fourth proportional to 42,083.21, 58,095.87 and 26,172.78 is: 36,131.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,083.21 : 58,095.87 = 26,172.78 : x
  2. Step 2: Convert to fraction form
    42,083.21/58,095.87 = 26,172.78/x
  3. Step 3: Cross multiply
    42,083.21x = 58,095.87 × 26,172.78
  4. Step 4: Simplify right side
    42,083.21x = 1,520,530,424.42
  5. Step 5: Solve for x
    x = 1,520,530,424.42/42,083.21
  6. Step 6: Final answer
    x = 36,131.53

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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.