Home / 33,621.18-46,381.65-21,688.36

Finding the Fourth Proportional to 33,621.18, 46,381.65 and 21,688.36

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Solution

The fourth proportional to 33,621.18, 46,381.65 and 21,688.36 is: 29,919.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,621.18 : 46,381.65 = 21,688.36 : x
  2. Step 2: Convert to fraction form
    33,621.18/46,381.65 = 21,688.36/x
  3. Step 3: Cross multiply
    33,621.18x = 46,381.65 × 21,688.36
  4. Step 4: Simplify right side
    33,621.18x = 1,005,941,725.31
  5. Step 5: Solve for x
    x = 1,005,941,725.31/33,621.18
  6. Step 6: Final answer
    x = 29,919.88

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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.