Home / 29,284.24-40,409.12-21,631.56

Finding the Fourth Proportional to 29,284.24, 40,409.12 and 21,631.56

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Solution

The fourth proportional to 29,284.24, 40,409.12 and 21,631.56 is: 29,849.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,284.24 : 40,409.12 = 21,631.56 : x
  2. Step 2: Convert to fraction form
    29,284.24/40,409.12 = 21,631.56/x
  3. Step 3: Cross multiply
    29,284.24x = 40,409.12 × 21,631.56
  4. Step 4: Simplify right side
    29,284.24x = 874,112,303.83
  5. Step 5: Solve for x
    x = 874,112,303.83/29,284.24
  6. Step 6: Final answer
    x = 29,849.24

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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.