Home / 31,552.34-43,524.95-21,977.06

Finding the Fourth Proportional to 31,552.34, 43,524.95 and 21,977.06

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Solution

The fourth proportional to 31,552.34, 43,524.95 and 21,977.06 is: 30,316.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,552.34 : 43,524.95 = 21,977.06 : x
  2. Step 2: Convert to fraction form
    31,552.34/43,524.95 = 21,977.06/x
  3. Step 3: Cross multiply
    31,552.34x = 43,524.95 × 21,977.06
  4. Step 4: Simplify right side
    31,552.34x = 956,550,110.14
  5. Step 5: Solve for x
    x = 956,550,110.14/31,552.34
  6. Step 6: Final answer
    x = 30,316.30

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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.