Home / 35,014.32-48,320.28-19,905.12

Finding the Fourth Proportional to 35,014.32, 48,320.28 and 19,905.12

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Solution

The fourth proportional to 35,014.32, 48,320.28 and 19,905.12 is: 27,469.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,014.32 : 48,320.28 = 19,905.12 : x
  2. Step 2: Convert to fraction form
    35,014.32/48,320.28 = 19,905.12/x
  3. Step 3: Cross multiply
    35,014.32x = 48,320.28 × 19,905.12
  4. Step 4: Simplify right side
    35,014.32x = 961,820,971.83
  5. Step 5: Solve for x
    x = 961,820,971.83/35,014.32
  6. Step 6: Final answer
    x = 27,469.36

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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.