Home / 35,729.36-49,304.10-19,813.22

Finding the Fourth Proportional to 35,729.36, 49,304.10 and 19,813.22

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Solution

The fourth proportional to 35,729.36, 49,304.10 and 19,813.22 is: 27,340.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,729.36 : 49,304.10 = 19,813.22 : x
  2. Step 2: Convert to fraction form
    35,729.36/49,304.10 = 19,813.22/x
  3. Step 3: Cross multiply
    35,729.36x = 49,304.10 × 19,813.22
  4. Step 4: Simplify right side
    35,729.36x = 976,872,980.20
  5. Step 5: Solve for x
    x = 976,872,980.20/35,729.36
  6. Step 6: Final answer
    x = 27,340.90

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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.