Home / 38,438.56-53,043.60-21,673.12

Finding the Fourth Proportional to 38,438.56, 53,043.60 and 21,673.12

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Solution

The fourth proportional to 38,438.56, 53,043.60 and 21,673.12 is: 29,908.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,438.56 : 53,043.60 = 21,673.12 : x
  2. Step 2: Convert to fraction form
    38,438.56/53,043.60 = 21,673.12/x
  3. Step 3: Cross multiply
    38,438.56x = 53,043.60 × 21,673.12
  4. Step 4: Simplify right side
    38,438.56x = 1,149,620,308.03
  5. Step 5: Solve for x
    x = 1,149,620,308.03/38,438.56
  6. Step 6: Final answer
    x = 29,908.00

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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.