Home / 47,590.56-65,645.16-30,616.89

Finding the Fourth Proportional to 47,590.56, 65,645.16 and 30,616.89

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Solution

The fourth proportional to 47,590.56, 65,645.16 and 30,616.89 is: 42,232.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,590.56 : 65,645.16 = 30,616.89 : x
  2. Step 2: Convert to fraction form
    47,590.56/65,645.16 = 30,616.89/x
  3. Step 3: Cross multiply
    47,590.56x = 65,645.16 × 30,616.89
  4. Step 4: Simplify right side
    47,590.56x = 2,009,850,642.75
  5. Step 5: Solve for x
    x = 2,009,850,642.75/47,590.56
  6. Step 6: Final answer
    x = 42,232.13

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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.