Home / 31,820.25-47,718.37-25,564.89

Finding the Fourth Proportional to 31,820.25, 47,718.37 and 25,564.89

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Solution

The fourth proportional to 31,820.25, 47,718.37 and 25,564.89 is: 38,337.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,820.25 : 47,718.37 = 25,564.89 : x
  2. Step 2: Convert to fraction form
    31,820.25/47,718.37 = 25,564.89/x
  3. Step 3: Cross multiply
    31,820.25x = 47,718.37 × 25,564.89
  4. Step 4: Simplify right side
    31,820.25x = 1,219,914,880.03
  5. Step 5: Solve for x
    x = 1,219,914,880.03/31,820.25
  6. Step 6: Final answer
    x = 38,337.69

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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.