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Finding the Fourth Proportional to 45,998.85, 68,657.00 and 39,646.53

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Solution

The fourth proportional to 45,998.85, 68,657.00 and 39,646.53 is: 59,175.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,998.85 : 68,657.00 = 39,646.53 : x
  2. Step 2: Convert to fraction form
    45,998.85/68,657.00 = 39,646.53/x
  3. Step 3: Cross multiply
    45,998.85x = 68,657.00 × 39,646.53
  4. Step 4: Simplify right side
    45,998.85x = 2,722,011,834.99
  5. Step 5: Solve for x
    x = 2,722,011,834.99/45,998.85
  6. Step 6: Final answer
    x = 59,175.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.