Home / 47,111.08-65,015.58-29,215.48

Finding the Fourth Proportional to 47,111.08, 65,015.58 and 29,215.48

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Solution

The fourth proportional to 47,111.08, 65,015.58 and 29,215.48 is: 40,318.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,111.08 : 65,015.58 = 29,215.48 : x
  2. Step 2: Convert to fraction form
    47,111.08/65,015.58 = 29,215.48/x
  3. Step 3: Cross multiply
    47,111.08x = 65,015.58 × 29,215.48
  4. Step 4: Simplify right side
    47,111.08x = 1,899,461,377.18
  5. Step 5: Solve for x
    x = 1,899,461,377.18/47,111.08
  6. Step 6: Final answer
    x = 40,318.78

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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.