Home / 61,121.02-84,350.55-34,272.30

Finding the Fourth Proportional to 61,121.02, 84,350.55 and 34,272.30

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Solution

The fourth proportional to 61,121.02, 84,350.55 and 34,272.30 is: 47,297.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,121.02 : 84,350.55 = 34,272.30 : x
  2. Step 2: Convert to fraction form
    61,121.02/84,350.55 = 34,272.30/x
  3. Step 3: Cross multiply
    61,121.02x = 84,350.55 × 34,272.30
  4. Step 4: Simplify right side
    61,121.02x = 2,890,887,354.77
  5. Step 5: Solve for x
    x = 2,890,887,354.77/61,121.02
  6. Step 6: Final answer
    x = 47,297.76

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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.