Home / 47,752.16-71,603.62-21,434.36

Finding the Fourth Proportional to 47,752.16, 71,603.62 and 21,434.36

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Solution

The fourth proportional to 47,752.16, 71,603.62 and 21,434.36 is: 32,140.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,752.16 : 71,603.62 = 21,434.36 : x
  2. Step 2: Convert to fraction form
    47,752.16/71,603.62 = 21,434.36/x
  3. Step 3: Cross multiply
    47,752.16x = 71,603.62 × 21,434.36
  4. Step 4: Simplify right side
    47,752.16x = 1,534,777,356.78
  5. Step 5: Solve for x
    x = 1,534,777,356.78/47,752.16
  6. Step 6: Final answer
    x = 32,140.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.