Home / 35,331.61-48,754.77-20,220.83

Finding the Fourth Proportional to 35,331.61, 48,754.77 and 20,220.83

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Solution

The fourth proportional to 35,331.61, 48,754.77 and 20,220.83 is: 27,903.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,331.61 : 48,754.77 = 20,220.83 : x
  2. Step 2: Convert to fraction form
    35,331.61/48,754.77 = 20,220.83/x
  3. Step 3: Cross multiply
    35,331.61x = 48,754.77 × 20,220.83
  4. Step 4: Simplify right side
    35,331.61x = 985,861,915.86
  5. Step 5: Solve for x
    x = 985,861,915.86/35,331.61
  6. Step 6: Final answer
    x = 27,903.11

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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.