Home / 38,467.12-53,082.48-21,699.04

Finding the Fourth Proportional to 38,467.12, 53,082.48 and 21,699.04

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Solution

The fourth proportional to 38,467.12, 53,082.48 and 21,699.04 is: 29,943.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,467.12 : 53,082.48 = 21,699.04 : x
  2. Step 2: Convert to fraction form
    38,467.12/53,082.48 = 21,699.04/x
  3. Step 3: Cross multiply
    38,467.12x = 53,082.48 × 21,699.04
  4. Step 4: Simplify right side
    38,467.12x = 1,151,838,856.82
  5. Step 5: Solve for x
    x = 1,151,838,856.82/38,467.12
  6. Step 6: Final answer
    x = 29,943.46

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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.