Home / 35,344.28-48,754.77-21,188.90

Finding the Fourth Proportional to 35,344.28, 48,754.77 and 21,188.90

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Solution

The fourth proportional to 35,344.28, 48,754.77 and 21,188.90 is: 29,228.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,344.28 : 48,754.77 = 21,188.90 : x
  2. Step 2: Convert to fraction form
    35,344.28/48,754.77 = 21,188.90/x
  3. Step 3: Cross multiply
    35,344.28x = 48,754.77 × 21,188.90
  4. Step 4: Simplify right side
    35,344.28x = 1,033,059,946.05
  5. Step 5: Solve for x
    x = 1,033,059,946.05/35,344.28
  6. Step 6: Final answer
    x = 29,228.49

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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.