Home / 40,854.63-61,281.99-12,774.83

Finding the Fourth Proportional to 40,854.63, 61,281.99 and 12,774.83

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Solution

The fourth proportional to 40,854.63, 61,281.99 and 12,774.83 is: 19,162.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,854.63 : 61,281.99 = 12,774.83 : x
  2. Step 2: Convert to fraction form
    40,854.63/61,281.99 = 12,774.83/x
  3. Step 3: Cross multiply
    40,854.63x = 61,281.99 × 12,774.83
  4. Step 4: Simplify right side
    40,854.63x = 782,867,004.31
  5. Step 5: Solve for x
    x = 782,867,004.31/40,854.63
  6. Step 6: Final answer
    x = 19,162.26

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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.