Home / 31,322.03-43,224.42-16,981.88

Finding the Fourth Proportional to 31,322.03, 43,224.42 and 16,981.88

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Solution

The fourth proportional to 31,322.03, 43,224.42 and 16,981.88 is: 23,435.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,322.03 : 43,224.42 = 16,981.88 : x
  2. Step 2: Convert to fraction form
    31,322.03/43,224.42 = 16,981.88/x
  3. Step 3: Cross multiply
    31,322.03x = 43,224.42 × 16,981.88
  4. Step 4: Simplify right side
    31,322.03x = 734,031,858.76
  5. Step 5: Solve for x
    x = 734,031,858.76/31,322.03
  6. Step 6: Final answer
    x = 23,435.00

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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.