Home / 55,705.69-83,611.59-34,581.80

Finding the Fourth Proportional to 55,705.69, 83,611.59 and 34,581.80

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Solution

The fourth proportional to 55,705.69, 83,611.59 and 34,581.80 is: 51,905.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,705.69 : 83,611.59 = 34,581.80 : x
  2. Step 2: Convert to fraction form
    55,705.69/83,611.59 = 34,581.80/x
  3. Step 3: Cross multiply
    55,705.69x = 83,611.59 × 34,581.80
  4. Step 4: Simplify right side
    55,705.69x = 2,891,439,283.06
  5. Step 5: Solve for x
    x = 2,891,439,283.06/55,705.69
  6. Step 6: Final answer
    x = 51,905.64

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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.