Home / 38,301.79-52,856.94-21,534.79

Finding the Fourth Proportional to 38,301.79, 52,856.94 and 21,534.79

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Solution

The fourth proportional to 38,301.79, 52,856.94 and 21,534.79 is: 29,718.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,301.79 : 52,856.94 = 21,534.79 : x
  2. Step 2: Convert to fraction form
    38,301.79/52,856.94 = 21,534.79/x
  3. Step 3: Cross multiply
    38,301.79x = 52,856.94 × 21,534.79
  4. Step 4: Simplify right side
    38,301.79x = 1,138,263,102.94
  5. Step 5: Solve for x
    x = 1,138,263,102.94/38,301.79
  6. Step 6: Final answer
    x = 29,718.27

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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.