Home / 47,721.12-65,853.36-26,500.32

Finding the Fourth Proportional to 47,721.12, 65,853.36 and 26,500.32

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Solution

The fourth proportional to 47,721.12, 65,853.36 and 26,500.32 is: 36,569.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,721.12 : 65,853.36 = 26,500.32 : x
  2. Step 2: Convert to fraction form
    47,721.12/65,853.36 = 26,500.32/x
  3. Step 3: Cross multiply
    47,721.12x = 65,853.36 × 26,500.32
  4. Step 4: Simplify right side
    47,721.12x = 1,745,135,113.08
  5. Step 5: Solve for x
    x = 1,745,135,113.08/47,721.12
  6. Step 6: Final answer
    x = 36,569.45

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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.