Home / 34,512.09-47,528.08-31,079.86

Finding the Fourth Proportional to 34,512.09, 47,528.08 and 31,079.86

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Solution

The fourth proportional to 34,512.09, 47,528.08 and 31,079.86 is: 42,801.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,512.09 : 47,528.08 = 31,079.86 : x
  2. Step 2: Convert to fraction form
    34,512.09/47,528.08 = 31,079.86/x
  3. Step 3: Cross multiply
    34,512.09x = 47,528.08 × 31,079.86
  4. Step 4: Simplify right side
    34,512.09x = 1,477,166,072.47
  5. Step 5: Solve for x
    x = 1,477,166,072.47/34,512.09
  6. Step 6: Final answer
    x = 42,801.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.