Home / 38,755.90-53,482.66-21,759.72

Finding the Fourth Proportional to 38,755.90, 53,482.66 and 21,759.72

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Solution

The fourth proportional to 38,755.90, 53,482.66 and 21,759.72 is: 30,028.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,755.90 : 53,482.66 = 21,759.72 : x
  2. Step 2: Convert to fraction form
    38,755.90/53,482.66 = 21,759.72/x
  3. Step 3: Cross multiply
    38,755.90x = 53,482.66 × 21,759.72
  4. Step 4: Simplify right side
    38,755.90x = 1,163,767,706.46
  5. Step 5: Solve for x
    x = 1,163,767,706.46/38,755.90
  6. Step 6: Final answer
    x = 30,028.14

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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.