Home / 40,772.64-61,174.53-15,830.21

Finding the Fourth Proportional to 40,772.64, 61,174.53 and 15,830.21

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Solution

The fourth proportional to 40,772.64, 61,174.53 and 15,830.21 is: 23,751.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,772.64 : 61,174.53 = 15,830.21 : x
  2. Step 2: Convert to fraction form
    40,772.64/61,174.53 = 15,830.21/x
  3. Step 3: Cross multiply
    40,772.64x = 61,174.53 × 15,830.21
  4. Step 4: Simplify right side
    40,772.64x = 968,405,496.74
  5. Step 5: Solve for x
    x = 968,405,496.74/40,772.64
  6. Step 6: Final answer
    x = 23,751.35

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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.