Home / 30,101.76-41,541.12-17,521.92

Finding the Fourth Proportional to 30,101.76, 41,541.12 and 17,521.92

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Solution

The fourth proportional to 30,101.76, 41,541.12 and 17,521.92 is: 24,180.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,101.76 : 41,541.12 = 17,521.92 : x
  2. Step 2: Convert to fraction form
    30,101.76/41,541.12 = 17,521.92/x
  3. Step 3: Cross multiply
    30,101.76x = 41,541.12 × 17,521.92
  4. Step 4: Simplify right side
    30,101.76x = 727,880,181.35
  5. Step 5: Solve for x
    x = 727,880,181.35/30,101.76
  6. Step 6: Final answer
    x = 24,180.65

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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.