Home / 33,870.64-46,731.36-21,915.04

Finding the Fourth Proportional to 33,870.64, 46,731.36 and 21,915.04

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Solution

The fourth proportional to 33,870.64, 46,731.36 and 21,915.04 is: 30,236.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,870.64 : 46,731.36 = 21,915.04 : x
  2. Step 2: Convert to fraction form
    33,870.64/46,731.36 = 21,915.04/x
  3. Step 3: Cross multiply
    33,870.64x = 46,731.36 × 21,915.04
  4. Step 4: Simplify right side
    33,870.64x = 1,024,119,623.65
  5. Step 5: Solve for x
    x = 1,024,119,623.65/33,870.64
  6. Step 6: Final answer
    x = 30,236.21

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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.