Home / 35,610.88-49,142.80-21,277.20

Finding the Fourth Proportional to 35,610.88, 49,142.80 and 21,277.20

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Solution

The fourth proportional to 35,610.88, 49,142.80 and 21,277.20 is: 29,362.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,610.88 : 49,142.80 = 21,277.20 : x
  2. Step 2: Convert to fraction form
    35,610.88/49,142.80 = 21,277.20/x
  3. Step 3: Cross multiply
    35,610.88x = 49,142.80 × 21,277.20
  4. Step 4: Simplify right side
    35,610.88x = 1,045,621,184.16
  5. Step 5: Solve for x
    x = 1,045,621,184.16/35,610.88
  6. Step 6: Final answer
    x = 29,362.41

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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.