Home / 33,036.45-45,560.16-21,701.40

Finding the Fourth Proportional to 33,036.45, 45,560.16 and 21,701.40

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Solution

The fourth proportional to 33,036.45, 45,560.16 and 21,701.40 is: 29,928.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,036.45 : 45,560.16 = 21,701.40 : x
  2. Step 2: Convert to fraction form
    33,036.45/45,560.16 = 21,701.40/x
  3. Step 3: Cross multiply
    33,036.45x = 45,560.16 × 21,701.40
  4. Step 4: Simplify right side
    33,036.45x = 988,719,256.22
  5. Step 5: Solve for x
    x = 988,719,256.22/33,036.45
  6. Step 6: Final answer
    x = 29,928.13

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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.