Home / 31,640.34-47,465.36-10,573.86

Finding the Fourth Proportional to 31,640.34, 47,465.36 and 10,573.86

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Solution

The fourth proportional to 31,640.34, 47,465.36 and 10,573.86 is: 15,862.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,640.34 : 47,465.36 = 10,573.86 : x
  2. Step 2: Convert to fraction form
    31,640.34/47,465.36 = 10,573.86/x
  3. Step 3: Cross multiply
    31,640.34x = 47,465.36 × 10,573.86
  4. Step 4: Simplify right side
    31,640.34x = 501,892,071.49
  5. Step 5: Solve for x
    x = 501,892,071.49/31,640.34
  6. Step 6: Final answer
    x = 15,862.41

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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.