Home / 38,341.24-52,911.30-21,571

Finding the Fourth Proportional to 38,341.24, 52,911.30 and 21,571

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Solution

The fourth proportional to 38,341.24, 52,911.30 and 21,571 is: 29,768.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,341.24 : 52,911.30 = 21,571 : x
  2. Step 2: Convert to fraction form
    38,341.24/52,911.30 = 21,571/x
  3. Step 3: Cross multiply
    38,341.24x = 52,911.30 × 21,571
  4. Step 4: Simplify right side
    38,341.24x = 1,141,349,652.30
  5. Step 5: Solve for x
    x = 1,141,349,652.30/38,341.24
  6. Step 6: Final answer
    x = 29,768.20

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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.