Home / 40,801.48-61,195.16-10,815.91

Finding the Fourth Proportional to 40,801.48, 61,195.16 and 10,815.91

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Solution

The fourth proportional to 40,801.48, 61,195.16 and 10,815.91 is: 16,222.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,801.48 : 61,195.16 = 10,815.91 : x
  2. Step 2: Convert to fraction form
    40,801.48/61,195.16 = 10,815.91/x
  3. Step 3: Cross multiply
    40,801.48x = 61,195.16 × 10,815.91
  4. Step 4: Simplify right side
    40,801.48x = 661,881,455.00
  5. Step 5: Solve for x
    x = 661,881,455.00/40,801.48
  6. Step 6: Final answer
    x = 16,222.00

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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.