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Finding the Fourth Proportional to 61,493.88, 84,861.68 and 35,995.64

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Solution

The fourth proportional to 61,493.88, 84,861.68 and 35,995.64 is: 49,674.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,493.88 : 84,861.68 = 35,995.64 : x
  2. Step 2: Convert to fraction form
    61,493.88/84,861.68 = 35,995.64/x
  3. Step 3: Cross multiply
    61,493.88x = 84,861.68 × 35,995.64
  4. Step 4: Simplify right side
    61,493.88x = 3,054,650,483.08
  5. Step 5: Solve for x
    x = 3,054,650,483.08/61,493.88
  6. Step 6: Final answer
    x = 49,674.06

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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.