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Finding the Fourth Proportional to 35,240.76, 48,632.13 and 19,324.80

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Solution

The fourth proportional to 35,240.76, 48,632.13 and 19,324.80 is: 26,668.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,240.76 : 48,632.13 = 19,324.80 : x
  2. Step 2: Convert to fraction form
    35,240.76/48,632.13 = 19,324.80/x
  3. Step 3: Cross multiply
    35,240.76x = 48,632.13 × 19,324.80
  4. Step 4: Simplify right side
    35,240.76x = 939,806,185.82
  5. Step 5: Solve for x
    x = 939,806,185.82/35,240.76
  6. Step 6: Final answer
    x = 26,668.16

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Half scale
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Double scale
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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.