Home / 33,071.80-45,612.69-21,752.92

Finding the Fourth Proportional to 33,071.80, 45,612.69 and 21,752.92

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Solution

The fourth proportional to 33,071.80, 45,612.69 and 21,752.92 is: 30,001.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,071.80 : 45,612.69 = 21,752.92 : x
  2. Step 2: Convert to fraction form
    33,071.80/45,612.69 = 21,752.92/x
  3. Step 3: Cross multiply
    33,071.80x = 45,612.69 × 21,752.92
  4. Step 4: Simplify right side
    33,071.80x = 992,208,968.49
  5. Step 5: Solve for x
    x = 992,208,968.49/33,071.80
  6. Step 6: Final answer
    x = 30,001.67

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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.