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Finding the Fourth Proportional to 30,341.52, 41,865.12 and 17,763.84

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Solution

The fourth proportional to 30,341.52, 41,865.12 and 17,763.84 is: 24,510.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,341.52 : 41,865.12 = 17,763.84 : x
  2. Step 2: Convert to fraction form
    30,341.52/41,865.12 = 17,763.84/x
  3. Step 3: Cross multiply
    30,341.52x = 41,865.12 × 17,763.84
  4. Step 4: Simplify right side
    30,341.52x = 743,685,293.26
  5. Step 5: Solve for x
    x = 743,685,293.26/30,341.52
  6. Step 6: Final answer
    x = 24,510.48

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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.