Home / 41,001.22-61,507.95-12,918.32

Finding the Fourth Proportional to 41,001.22, 61,507.95 and 12,918.32

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Solution

The fourth proportional to 41,001.22, 61,507.95 and 12,918.32 is: 19,379.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,001.22 : 61,507.95 = 12,918.32 : x
  2. Step 2: Convert to fraction form
    41,001.22/61,507.95 = 12,918.32/x
  3. Step 3: Cross multiply
    41,001.22x = 61,507.95 × 12,918.32
  4. Step 4: Simplify right side
    41,001.22x = 794,579,008.51
  5. Step 5: Solve for x
    x = 794,579,008.51/41,001.22
  6. Step 6: Final answer
    x = 19,379.40

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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.