Home / 35,617.80-49,137.12-21,462.60

Finding the Fourth Proportional to 35,617.80, 49,137.12 and 21,462.60

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Solution

The fourth proportional to 35,617.80, 49,137.12 and 21,462.60 is: 29,609.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,617.80 : 49,137.12 = 21,462.60 : x
  2. Step 2: Convert to fraction form
    35,617.80/49,137.12 = 21,462.60/x
  3. Step 3: Cross multiply
    35,617.80x = 49,137.12 × 21,462.60
  4. Step 4: Simplify right side
    35,617.80x = 1,054,610,351.71
  5. Step 5: Solve for x
    x = 1,054,610,351.71/35,617.80
  6. Step 6: Final answer
    x = 29,609.08

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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.