Home / 33,827.79-46,701.12-20,402.45

Finding the Fourth Proportional to 33,827.79, 46,701.12 and 20,402.45

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Solution

The fourth proportional to 33,827.79, 46,701.12 and 20,402.45 is: 28,166.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,827.79 : 46,701.12 = 20,402.45 : x
  2. Step 2: Convert to fraction form
    33,827.79/46,701.12 = 20,402.45/x
  3. Step 3: Cross multiply
    33,827.79x = 46,701.12 × 20,402.45
  4. Step 4: Simplify right side
    33,827.79x = 952,817,032.24
  5. Step 5: Solve for x
    x = 952,817,032.24/33,827.79
  6. Step 6: Final answer
    x = 28,166.69

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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.