Home / 33,530.28-46,275.80-20,108.91

Finding the Fourth Proportional to 33,530.28, 46,275.80 and 20,108.91

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Solution

The fourth proportional to 33,530.28, 46,275.80 and 20,108.91 is: 27,752.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,530.28 : 46,275.80 = 20,108.91 : x
  2. Step 2: Convert to fraction form
    33,530.28/46,275.80 = 20,108.91/x
  3. Step 3: Cross multiply
    33,530.28x = 46,275.80 × 20,108.91
  4. Step 4: Simplify right side
    33,530.28x = 930,555,897.38
  5. Step 5: Solve for x
    x = 930,555,897.38/33,530.28
  6. Step 6: Final answer
    x = 27,752.70

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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.