Home / 61,720.47-85,174.16-33,426.27

Finding the Fourth Proportional to 61,720.47, 85,174.16 and 33,426.27

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Solution

The fourth proportional to 61,720.47, 85,174.16 and 33,426.27 is: 46,128.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,720.47 : 85,174.16 = 33,426.27 : x
  2. Step 2: Convert to fraction form
    61,720.47/85,174.16 = 33,426.27/x
  3. Step 3: Cross multiply
    61,720.47x = 85,174.16 × 33,426.27
  4. Step 4: Simplify right side
    61,720.47x = 2,847,054,126.88
  5. Step 5: Solve for x
    x = 2,847,054,126.88/61,720.47
  6. Step 6: Final answer
    x = 46,128.20

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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.