Home / 30,154.29-41,627.21-20,099.49

Finding the Fourth Proportional to 30,154.29, 41,627.21 and 20,099.49

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Solution

The fourth proportional to 30,154.29, 41,627.21 and 20,099.49 is: 27,746.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,154.29 : 41,627.21 = 20,099.49 : x
  2. Step 2: Convert to fraction form
    30,154.29/41,627.21 = 20,099.49/x
  3. Step 3: Cross multiply
    30,154.29x = 41,627.21 × 20,099.49
  4. Step 4: Simplify right side
    30,154.29x = 836,685,590.63
  5. Step 5: Solve for x
    x = 836,685,590.63/30,154.29
  6. Step 6: Final answer
    x = 27,746.82

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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.