Home / 38,196.79-52,710.75-21,200.04

Finding the Fourth Proportional to 38,196.79, 52,710.75 and 21,200.04

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Solution

The fourth proportional to 38,196.79, 52,710.75 and 21,200.04 is: 29,255.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,196.79 : 52,710.75 = 21,200.04 : x
  2. Step 2: Convert to fraction form
    38,196.79/52,710.75 = 21,200.04/x
  3. Step 3: Cross multiply
    38,196.79x = 52,710.75 × 21,200.04
  4. Step 4: Simplify right side
    38,196.79x = 1,117,470,008.43
  5. Step 5: Solve for x
    x = 1,117,470,008.43/38,196.79
  6. Step 6: Final answer
    x = 29,255.60

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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.