Home / 38,645.28-53,334.75-21,652.29

Finding the Fourth Proportional to 38,645.28, 53,334.75 and 21,652.29

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Solution

The fourth proportional to 38,645.28, 53,334.75 and 21,652.29 is: 29,882.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,645.28 : 53,334.75 = 21,652.29 : x
  2. Step 2: Convert to fraction form
    38,645.28/53,334.75 = 21,652.29/x
  3. Step 3: Cross multiply
    38,645.28x = 53,334.75 × 21,652.29
  4. Step 4: Simplify right side
    38,645.28x = 1,154,819,474.08
  5. Step 5: Solve for x
    x = 1,154,819,474.08/38,645.28
  6. Step 6: Final answer
    x = 29,882.55

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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.