Home / 38,109.12-52,592.16-21,342.24

Finding the Fourth Proportional to 38,109.12, 52,592.16 and 21,342.24

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Solution

The fourth proportional to 38,109.12, 52,592.16 and 21,342.24 is: 29,453.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,109.12 : 52,592.16 = 21,342.24 : x
  2. Step 2: Convert to fraction form
    38,109.12/52,592.16 = 21,342.24/x
  3. Step 3: Cross multiply
    38,109.12x = 52,592.16 × 21,342.24
  4. Step 4: Simplify right side
    38,109.12x = 1,122,434,500.84
  5. Step 5: Solve for x
    x = 1,122,434,500.84/38,109.12
  6. Step 6: Final answer
    x = 29,453.17

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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.