Home / 61,134.87-91,705.40-21,695.06

Finding the Fourth Proportional to 61,134.87, 91,705.40 and 21,695.06

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Solution

The fourth proportional to 61,134.87, 91,705.40 and 21,695.06 is: 32,543.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,134.87 : 91,705.40 = 21,695.06 : x
  2. Step 2: Convert to fraction form
    61,134.87/91,705.40 = 21,695.06/x
  3. Step 3: Cross multiply
    61,134.87x = 91,705.40 × 21,695.06
  4. Step 4: Simplify right side
    61,134.87x = 1,989,553,588.32
  5. Step 5: Solve for x
    x = 1,989,553,588.32/61,134.87
  6. Step 6: Final answer
    x = 32,543.68

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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.