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Finding the Fourth Proportional to 60,872.60, 84,003.99 and 34,015.13

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Solution

The fourth proportional to 60,872.60, 84,003.99 and 34,015.13 is: 46,940.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,872.60 : 84,003.99 = 34,015.13 : x
  2. Step 2: Convert to fraction form
    60,872.60/84,003.99 = 34,015.13/x
  3. Step 3: Cross multiply
    60,872.60x = 84,003.99 × 34,015.13
  4. Step 4: Simplify right side
    60,872.60x = 2,857,406,640.37
  5. Step 5: Solve for x
    x = 2,857,406,640.37/60,872.60
  6. Step 6: Final answer
    x = 46,940.77

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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.