Home / 47,754.09-71,606.42-21,436.17

Finding the Fourth Proportional to 47,754.09, 71,606.42 and 21,436.17

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Solution

The fourth proportional to 47,754.09, 71,606.42 and 21,436.17 is: 32,143.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,754.09 : 71,606.42 = 21,436.17 : x
  2. Step 2: Convert to fraction form
    47,754.09/71,606.42 = 21,436.17/x
  3. Step 3: Cross multiply
    47,754.09x = 71,606.42 × 21,436.17
  4. Step 4: Simplify right side
    47,754.09x = 1,534,967,285.03
  5. Step 5: Solve for x
    x = 1,534,967,285.03/47,754.09
  6. Step 6: Final answer
    x = 32,143.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.