Home / 40,881.12-61,321.53-11,298.90

Finding the Fourth Proportional to 40,881.12, 61,321.53 and 11,298.90

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Solution

The fourth proportional to 40,881.12, 61,321.53 and 11,298.90 is: 16,948.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,881.12 : 61,321.53 = 11,298.90 : x
  2. Step 2: Convert to fraction form
    40,881.12/61,321.53 = 11,298.90/x
  3. Step 3: Cross multiply
    40,881.12x = 61,321.53 × 11,298.90
  4. Step 4: Simplify right side
    40,881.12x = 692,865,835.32
  5. Step 5: Solve for x
    x = 692,865,835.32/40,881.12
  6. Step 6: Final answer
    x = 16,948.31

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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.