Home / 38,489.22-53,112.09-21,492.14

Finding the Fourth Proportional to 38,489.22, 53,112.09 and 21,492.14

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Solution

The fourth proportional to 38,489.22, 53,112.09 and 21,492.14 is: 29,657.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,489.22 : 53,112.09 = 21,492.14 : x
  2. Step 2: Convert to fraction form
    38,489.22/53,112.09 = 21,492.14/x
  3. Step 3: Cross multiply
    38,489.22x = 53,112.09 × 21,492.14
  4. Step 4: Simplify right side
    38,489.22x = 1,141,492,289.01
  5. Step 5: Solve for x
    x = 1,141,492,289.01/38,489.22
  6. Step 6: Final answer
    x = 29,657.45

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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.