Home / 41,152.41-61,681.95-18,919.89

Finding the Fourth Proportional to 41,152.41, 61,681.95 and 18,919.89

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Solution

The fourth proportional to 41,152.41, 61,681.95 and 18,919.89 is: 28,358.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,152.41 : 61,681.95 = 18,919.89 : x
  2. Step 2: Convert to fraction form
    41,152.41/61,681.95 = 18,919.89/x
  3. Step 3: Cross multiply
    41,152.41x = 61,681.95 × 18,919.89
  4. Step 4: Simplify right side
    41,152.41x = 1,167,015,708.99
  5. Step 5: Solve for x
    x = 1,167,015,708.99/41,152.41
  6. Step 6: Final answer
    x = 28,358.38

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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.