Home / 38,449.01-53,059.47-21,453.29

Finding the Fourth Proportional to 38,449.01, 53,059.47 and 21,453.29

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Solution

The fourth proportional to 38,449.01, 53,059.47 and 21,453.29 is: 29,605.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,449.01 : 53,059.47 = 21,453.29 : x
  2. Step 2: Convert to fraction form
    38,449.01/53,059.47 = 21,453.29/x
  3. Step 3: Cross multiply
    38,449.01x = 53,059.47 × 21,453.29
  4. Step 4: Simplify right side
    38,449.01x = 1,138,300,171.06
  5. Step 5: Solve for x
    x = 1,138,300,171.06/38,449.01
  6. Step 6: Final answer
    x = 29,605.45

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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.