Home / 35,765.10-49,340.43-21,609.75

Finding the Fourth Proportional to 35,765.10, 49,340.43 and 21,609.75

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Solution

The fourth proportional to 35,765.10, 49,340.43 and 21,609.75 is: 29,812.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,765.10 : 49,340.43 = 21,609.75 : x
  2. Step 2: Convert to fraction form
    35,765.10/49,340.43 = 21,609.75/x
  3. Step 3: Cross multiply
    35,765.10x = 49,340.43 × 21,609.75
  4. Step 4: Simplify right side
    35,765.10x = 1,066,234,357.19
  5. Step 5: Solve for x
    x = 1,066,234,357.19/35,765.10
  6. Step 6: Final answer
    x = 29,812.15

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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.