Home / 38,242.10-52,774.77-21,247.90

Finding the Fourth Proportional to 38,242.10, 52,774.77 and 21,247.90

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Solution

The fourth proportional to 38,242.10, 52,774.77 and 21,247.90 is: 29,322.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,242.10 : 52,774.77 = 21,247.90 : x
  2. Step 2: Convert to fraction form
    38,242.10/52,774.77 = 21,247.90/x
  3. Step 3: Cross multiply
    38,242.10x = 52,774.77 × 21,247.90
  4. Step 4: Simplify right side
    38,242.10x = 1,121,353,035.48
  5. Step 5: Solve for x
    x = 1,121,353,035.48/38,242.10
  6. Step 6: Final answer
    x = 29,322.48

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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.