Home / 38,734.13-53,453.09-21,967.13

Finding the Fourth Proportional to 38,734.13, 53,453.09 and 21,967.13

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Solution

The fourth proportional to 38,734.13, 53,453.09 and 21,967.13 is: 30,314.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,734.13 : 53,453.09 = 21,967.13 : x
  2. Step 2: Convert to fraction form
    38,734.13/53,453.09 = 21,967.13/x
  3. Step 3: Cross multiply
    38,734.13x = 53,453.09 × 21,967.13
  4. Step 4: Simplify right side
    38,734.13x = 1,174,210,764.58
  5. Step 5: Solve for x
    x = 1,174,210,764.58/38,734.13
  6. Step 6: Final answer
    x = 30,314.63

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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.