Home / 40,913.51-61,376.33-12,835.87

Finding the Fourth Proportional to 40,913.51, 61,376.33 and 12,835.87

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Solution

The fourth proportional to 40,913.51, 61,376.33 and 12,835.87 is: 19,255.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,913.51 : 61,376.33 = 12,835.87 : x
  2. Step 2: Convert to fraction form
    40,913.51/61,376.33 = 12,835.87/x
  3. Step 3: Cross multiply
    40,913.51x = 61,376.33 × 12,835.87
  4. Step 4: Simplify right side
    40,913.51x = 787,818,471.61
  5. Step 5: Solve for x
    x = 787,818,471.61/40,913.51
  6. Step 6: Final answer
    x = 19,255.71

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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.