Home / 22,079.79-33,124.55-21,111.03

Finding the Fourth Proportional to 22,079.79, 33,124.55 and 21,111.03

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Solution

The fourth proportional to 22,079.79, 33,124.55 and 21,111.03 is: 31,671.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,079.79 : 33,124.55 = 21,111.03 : x
  2. Step 2: Convert to fraction form
    22,079.79/33,124.55 = 21,111.03/x
  3. Step 3: Cross multiply
    22,079.79x = 33,124.55 × 21,111.03
  4. Step 4: Simplify right side
    22,079.79x = 699,293,263.23
  5. Step 5: Solve for x
    x = 699,293,263.23/22,079.79
  6. Step 6: Final answer
    x = 31,671.19

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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.