Home / 33,979.79-46,876.71-21,875.93

Finding the Fourth Proportional to 33,979.79, 46,876.71 and 21,875.93

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Solution

The fourth proportional to 33,979.79, 46,876.71 and 21,875.93 is: 30,178.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,979.79 : 46,876.71 = 21,875.93 : x
  2. Step 2: Convert to fraction form
    33,979.79/46,876.71 = 21,875.93/x
  3. Step 3: Cross multiply
    33,979.79x = 46,876.71 × 21,875.93
  4. Step 4: Simplify right side
    33,979.79x = 1,025,471,392.21
  5. Step 5: Solve for x
    x = 1,025,471,392.21/33,979.79
  6. Step 6: Final answer
    x = 30,178.87

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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.