Home / 40,931.76-61,390.74-11,352.60

Finding the Fourth Proportional to 40,931.76, 61,390.74 and 11,352.60

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Solution

The fourth proportional to 40,931.76, 61,390.74 and 11,352.60 is: 17,026.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,931.76 : 61,390.74 = 11,352.60 : x
  2. Step 2: Convert to fraction form
    40,931.76/61,390.74 = 11,352.60/x
  3. Step 3: Cross multiply
    40,931.76x = 61,390.74 × 11,352.60
  4. Step 4: Simplify right side
    40,931.76x = 696,944,514.92
  5. Step 5: Solve for x
    x = 696,944,514.92/40,931.76
  6. Step 6: Final answer
    x = 17,026.99

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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.