Home / 61,122.72-84,329.40-35,623.24

Finding the Fourth Proportional to 61,122.72, 84,329.40 and 35,623.24

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Solution

The fourth proportional to 61,122.72, 84,329.40 and 35,623.24 is: 49,148.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,122.72 : 84,329.40 = 35,623.24 : x
  2. Step 2: Convert to fraction form
    61,122.72/84,329.40 = 35,623.24/x
  3. Step 3: Cross multiply
    61,122.72x = 84,329.40 × 35,623.24
  4. Step 4: Simplify right side
    61,122.72x = 3,004,086,455.26
  5. Step 5: Solve for x
    x = 3,004,086,455.26/61,122.72
  6. Step 6: Final answer
    x = 49,148.44

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1.5x scale

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.