Home / 38,402.58-52,993.34-21,406.26

Finding the Fourth Proportional to 38,402.58, 52,993.34 and 21,406.26

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Solution

The fourth proportional to 38,402.58, 52,993.34 and 21,406.26 is: 29,539.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,402.58 : 52,993.34 = 21,406.26 : x
  2. Step 2: Convert to fraction form
    38,402.58/52,993.34 = 21,406.26/x
  3. Step 3: Cross multiply
    38,402.58x = 52,993.34 × 21,406.26
  4. Step 4: Simplify right side
    38,402.58x = 1,134,389,214.31
  5. Step 5: Solve for x
    x = 1,134,389,214.31/38,402.58
  6. Step 6: Final answer
    x = 29,539.40

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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.