Home / 34,436.47-47,525.75-21,016.72

Finding the Fourth Proportional to 34,436.47, 47,525.75 and 21,016.72

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Solution

The fourth proportional to 34,436.47, 47,525.75 and 21,016.72 is: 29,005.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,436.47 : 47,525.75 = 21,016.72 : x
  2. Step 2: Convert to fraction form
    34,436.47/47,525.75 = 21,016.72/x
  3. Step 3: Cross multiply
    34,436.47x = 47,525.75 × 21,016.72
  4. Step 4: Simplify right side
    34,436.47x = 998,835,380.54
  5. Step 5: Solve for x
    x = 998,835,380.54/34,436.47
  6. Step 6: Final answer
    x = 29,005.16

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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.