Home / 36,116.40-49,837.14-21,008.28

Finding the Fourth Proportional to 36,116.40, 49,837.14 and 21,008.28

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Solution

The fourth proportional to 36,116.40, 49,837.14 and 21,008.28 is: 28,989.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,116.40 : 49,837.14 = 21,008.28 : x
  2. Step 2: Convert to fraction form
    36,116.40/49,837.14 = 21,008.28/x
  3. Step 3: Cross multiply
    36,116.40x = 49,837.14 × 21,008.28
  4. Step 4: Simplify right side
    36,116.40x = 1,046,992,591.52
  5. Step 5: Solve for x
    x = 1,046,992,591.52/36,116.40
  6. Step 6: Final answer
    x = 28,989.40

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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.