Home / 31,471.90-47,208.48-11,746.53

Finding the Fourth Proportional to 31,471.90, 47,208.48 and 11,746.53

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Solution

The fourth proportional to 31,471.90, 47,208.48 and 11,746.53 is: 17,620.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,471.90 : 47,208.48 = 11,746.53 : x
  2. Step 2: Convert to fraction form
    31,471.90/47,208.48 = 11,746.53/x
  3. Step 3: Cross multiply
    31,471.90x = 47,208.48 × 11,746.53
  4. Step 4: Simplify right side
    31,471.90x = 554,535,590.53
  5. Step 5: Solve for x
    x = 554,535,590.53/31,471.90
  6. Step 6: Final answer
    x = 17,620.02

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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.