Home / 43,073.80-64,544.75-28,981.62

Finding the Fourth Proportional to 43,073.80, 64,544.75 and 28,981.62

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Solution

The fourth proportional to 43,073.80, 64,544.75 and 28,981.62 is: 43,428.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,073.80 : 64,544.75 = 28,981.62 : x
  2. Step 2: Convert to fraction form
    43,073.80/64,544.75 = 28,981.62/x
  3. Step 3: Cross multiply
    43,073.80x = 64,544.75 × 28,981.62
  4. Step 4: Simplify right side
    43,073.80x = 1,870,611,381.27
  5. Step 5: Solve for x
    x = 1,870,611,381.27/43,073.80
  6. Step 6: Final answer
    x = 43,428.06

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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.