Home / 33,036.23-45,627.87-21,756.17

Finding the Fourth Proportional to 33,036.23, 45,627.87 and 21,756.17

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Solution

The fourth proportional to 33,036.23, 45,627.87 and 21,756.17 is: 30,048.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,036.23 : 45,627.87 = 21,756.17 : x
  2. Step 2: Convert to fraction form
    33,036.23/45,627.87 = 21,756.17/x
  3. Step 3: Cross multiply
    33,036.23x = 45,627.87 × 21,756.17
  4. Step 4: Simplify right side
    33,036.23x = 992,687,696.46
  5. Step 5: Solve for x
    x = 992,687,696.46/33,036.23
  6. Step 6: Final answer
    x = 30,048.46

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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.