Home / 35,315.28-48,748.97-21,165.39

Finding the Fourth Proportional to 35,315.28, 48,748.97 and 21,165.39

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Solution

The fourth proportional to 35,315.28, 48,748.97 and 21,165.39 is: 29,216.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,315.28 : 48,748.97 = 21,165.39 : x
  2. Step 2: Convert to fraction form
    35,315.28/48,748.97 = 21,165.39/x
  3. Step 3: Cross multiply
    35,315.28x = 48,748.97 × 21,165.39
  4. Step 4: Simplify right side
    35,315.28x = 1,031,790,962.15
  5. Step 5: Solve for x
    x = 1,031,790,962.15/35,315.28
  6. Step 6: Final answer
    x = 29,216.56

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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.