Home / 35,845.62-49,459.86-21,699.78

Finding the Fourth Proportional to 35,845.62, 49,459.86 and 21,699.78

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Solution

The fourth proportional to 35,845.62, 49,459.86 and 21,699.78 is: 29,941.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,845.62 : 49,459.86 = 21,699.78 : x
  2. Step 2: Convert to fraction form
    35,845.62/49,459.86 = 21,699.78/x
  3. Step 3: Cross multiply
    35,845.62x = 49,459.86 × 21,699.78
  4. Step 4: Simplify right side
    35,845.62x = 1,073,268,080.83
  5. Step 5: Solve for x
    x = 1,073,268,080.83/35,845.62
  6. Step 6: Final answer
    x = 29,941.40

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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.