Home / 41,216.88-61,829.86-13,130.40

Finding the Fourth Proportional to 41,216.88, 61,829.86 and 13,130.40

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Solution

The fourth proportional to 41,216.88, 61,829.86 and 13,130.40 is: 19,697.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,216.88 : 61,829.86 = 13,130.40 : x
  2. Step 2: Convert to fraction form
    41,216.88/61,829.86 = 13,130.40/x
  3. Step 3: Cross multiply
    41,216.88x = 61,829.86 × 13,130.40
  4. Step 4: Simplify right side
    41,216.88x = 811,850,793.74
  5. Step 5: Solve for x
    x = 811,850,793.74/41,216.88
  6. Step 6: Final answer
    x = 19,697.05

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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.