Home / 35,905.87-49,549.35-19,773.64

Finding the Fourth Proportional to 35,905.87, 49,549.35 and 19,773.64

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Solution

The fourth proportional to 35,905.87, 49,549.35 and 19,773.64 is: 27,287.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,905.87 : 49,549.35 = 19,773.64 : x
  2. Step 2: Convert to fraction form
    35,905.87/49,549.35 = 19,773.64/x
  3. Step 3: Cross multiply
    35,905.87x = 49,549.35 × 19,773.64
  4. Step 4: Simplify right side
    35,905.87x = 979,771,009.13
  5. Step 5: Solve for x
    x = 979,771,009.13/35,905.87
  6. Step 6: Final answer
    x = 27,287.21

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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.