Home / 61,197.03-91,802.84-21,758.13

Finding the Fourth Proportional to 61,197.03, 91,802.84 and 21,758.13

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Solution

The fourth proportional to 61,197.03, 91,802.84 and 21,758.13 is: 32,639.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,197.03 : 91,802.84 = 21,758.13 : x
  2. Step 2: Convert to fraction form
    61,197.03/91,802.84 = 21,758.13/x
  3. Step 3: Cross multiply
    61,197.03x = 91,802.84 × 21,758.13
  4. Step 4: Simplify right side
    61,197.03x = 1,997,458,018.30
  5. Step 5: Solve for x
    x = 1,997,458,018.30/61,197.03
  6. Step 6: Final answer
    x = 32,639.79

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1.5x scale

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.