Home / 49,490.60-74,299.26-42,515.24

Finding the Fourth Proportional to 49,490.60, 74,299.26 and 42,515.24

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Solution

The fourth proportional to 49,490.60, 74,299.26 and 42,515.24 is: 63,827.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,490.60 : 74,299.26 = 42,515.24 : x
  2. Step 2: Convert to fraction form
    49,490.60/74,299.26 = 42,515.24/x
  3. Step 3: Cross multiply
    49,490.60x = 74,299.26 × 42,515.24
  4. Step 4: Simplify right side
    49,490.60x = 3,158,850,870.72
  5. Step 5: Solve for x
    x = 3,158,850,870.72/49,490.60
  6. Step 6: Final answer
    x = 63,827.29

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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.