Home / 35,509.60-48,997.54-20,194.53

Finding the Fourth Proportional to 35,509.60, 48,997.54 and 20,194.53

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Solution

The fourth proportional to 35,509.60, 48,997.54 and 20,194.53 is: 27,865.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,509.60 : 48,997.54 = 20,194.53 : x
  2. Step 2: Convert to fraction form
    35,509.60/48,997.54 = 20,194.53/x
  3. Step 3: Cross multiply
    35,509.60x = 48,997.54 × 20,194.53
  4. Step 4: Simplify right side
    35,509.60x = 989,482,291.46
  5. Step 5: Solve for x
    x = 989,482,291.46/35,509.60
  6. Step 6: Final answer
    x = 27,865.21

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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.