Home / 40,878.63-61,317.33-11,295.81

Finding the Fourth Proportional to 40,878.63, 61,317.33 and 11,295.81

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Solution

The fourth proportional to 40,878.63, 61,317.33 and 11,295.81 is: 16,943.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,878.63 : 61,317.33 = 11,295.81 : x
  2. Step 2: Convert to fraction form
    40,878.63/61,317.33 = 11,295.81/x
  3. Step 3: Cross multiply
    40,878.63x = 61,317.33 × 11,295.81
  4. Step 4: Simplify right side
    40,878.63x = 692,628,909.39
  5. Step 5: Solve for x
    x = 692,628,909.39/40,878.63
  6. Step 6: Final answer
    x = 16,943.55

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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.