Home / 40,980.76-61,432.24-14,671.96

Finding the Fourth Proportional to 40,980.76, 61,432.24 and 14,671.96

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Solution

The fourth proportional to 40,980.76, 61,432.24 and 14,671.96 is: 21,994.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,980.76 : 61,432.24 = 14,671.96 : x
  2. Step 2: Convert to fraction form
    40,980.76/61,432.24 = 14,671.96/x
  3. Step 3: Cross multiply
    40,980.76x = 61,432.24 × 14,671.96
  4. Step 4: Simplify right side
    40,980.76x = 901,331,367.99
  5. Step 5: Solve for x
    x = 901,331,367.99/40,980.76
  6. Step 6: Final answer
    x = 21,994.01

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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.