Home / 20,031.39-30,044.79-5,241.74

Finding the Fourth Proportional to 20,031.39, 30,044.79 and 5,241.74

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Solution

The fourth proportional to 20,031.39, 30,044.79 and 5,241.74 is: 7,862.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,031.39 : 30,044.79 = 5,241.74 : x
  2. Step 2: Convert to fraction form
    20,031.39/30,044.79 = 5,241.74/x
  3. Step 3: Cross multiply
    20,031.39x = 30,044.79 × 5,241.74
  4. Step 4: Simplify right side
    20,031.39x = 157,486,827.31
  5. Step 5: Solve for x
    x = 157,486,827.31/20,031.39
  6. Step 6: Final answer
    x = 7,862.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.