Home / 61,966.10-85,513.74-33,671.78

Finding the Fourth Proportional to 61,966.10, 85,513.74 and 33,671.78

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Solution

The fourth proportional to 61,966.10, 85,513.74 and 33,671.78 is: 46,467.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,966.10 : 85,513.74 = 33,671.78 : x
  2. Step 2: Convert to fraction form
    61,966.10/85,513.74 = 33,671.78/x
  3. Step 3: Cross multiply
    61,966.10x = 85,513.74 × 33,671.78
  4. Step 4: Simplify right side
    61,966.10x = 2,879,399,840.26
  5. Step 5: Solve for x
    x = 2,879,399,840.26/61,966.10
  6. Step 6: Final answer
    x = 46,467.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.