Home / 33,872.52-46,746.54-20,447.04

Finding the Fourth Proportional to 33,872.52, 46,746.54 and 20,447.04

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Solution

The fourth proportional to 33,872.52, 46,746.54 and 20,447.04 is: 28,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,872.52 : 46,746.54 = 20,447.04 : x
  2. Step 2: Convert to fraction form
    33,872.52/46,746.54 = 20,447.04/x
  3. Step 3: Cross multiply
    33,872.52x = 46,746.54 × 20,447.04
  4. Step 4: Simplify right side
    33,872.52x = 955,828,373.24
  5. Step 5: Solve for x
    x = 955,828,373.24/33,872.52
  6. Step 6: Final answer
    x = 28,218.40

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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.