Home / 34,595.76-47,743.32-20,460.72

Finding the Fourth Proportional to 34,595.76, 47,743.32 and 20,460.72

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Solution

The fourth proportional to 34,595.76, 47,743.32 and 20,460.72 is: 28,236.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,595.76 : 47,743.32 = 20,460.72 : x
  2. Step 2: Convert to fraction form
    34,595.76/47,743.32 = 20,460.72/x
  3. Step 3: Cross multiply
    34,595.76x = 47,743.32 × 20,460.72
  4. Step 4: Simplify right side
    34,595.76x = 976,862,702.39
  5. Step 5: Solve for x
    x = 976,862,702.39/34,595.76
  6. Step 6: Final answer
    x = 28,236.49

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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.