Home / 34,107.86-51,166.40-11,916.02

Finding the Fourth Proportional to 34,107.86, 51,166.40 and 11,916.02

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Solution

The fourth proportional to 34,107.86, 51,166.40 and 11,916.02 is: 17,875.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,107.86 : 51,166.40 = 11,916.02 : x
  2. Step 2: Convert to fraction form
    34,107.86/51,166.40 = 11,916.02/x
  3. Step 3: Cross multiply
    34,107.86x = 51,166.40 × 11,916.02
  4. Step 4: Simplify right side
    34,107.86x = 609,699,530.32
  5. Step 5: Solve for x
    x = 609,699,530.32/34,107.86
  6. Step 6: Final answer
    x = 17,875.63

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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.