Home / 41,212.49-61,823.21-13,125.93

Finding the Fourth Proportional to 41,212.49, 61,823.21 and 13,125.93

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Solution

The fourth proportional to 41,212.49, 61,823.21 and 13,125.93 is: 19,690.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,212.49 : 61,823.21 = 13,125.93 : x
  2. Step 2: Convert to fraction form
    41,212.49/61,823.21 = 13,125.93/x
  3. Step 3: Cross multiply
    41,212.49x = 61,823.21 × 13,125.93
  4. Step 4: Simplify right side
    41,212.49x = 811,487,061.21
  5. Step 5: Solve for x
    x = 811,487,061.21/41,212.49
  6. Step 6: Final answer
    x = 19,690.32

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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.