Home / 31,629.48-47,460.66-14,095.20

Finding the Fourth Proportional to 31,629.48, 47,460.66 and 14,095.20

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Solution

The fourth proportional to 31,629.48, 47,460.66 and 14,095.20 is: 21,150.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,629.48 : 47,460.66 = 14,095.20 : x
  2. Step 2: Convert to fraction form
    31,629.48/47,460.66 = 14,095.20/x
  3. Step 3: Cross multiply
    31,629.48x = 47,460.66 × 14,095.20
  4. Step 4: Simplify right side
    31,629.48x = 668,967,494.83
  5. Step 5: Solve for x
    x = 668,967,494.83/31,629.48
  6. Step 6: Final answer
    x = 21,150.13

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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.