Home / 40,958.51-61,440.53-13,929.84

Finding the Fourth Proportional to 40,958.51, 61,440.53 and 13,929.84

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Solution

The fourth proportional to 40,958.51, 61,440.53 and 13,929.84 is: 20,895.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,958.51 : 61,440.53 = 13,929.84 : x
  2. Step 2: Convert to fraction form
    40,958.51/61,440.53 = 13,929.84/x
  3. Step 3: Cross multiply
    40,958.51x = 61,440.53 × 13,929.84
  4. Step 4: Simplify right side
    40,958.51x = 855,856,682.77
  5. Step 5: Solve for x
    x = 855,856,682.77/40,958.51
  6. Step 6: Final answer
    x = 20,895.70

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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.