Home / 55,056.50-75,984.34-51,678.62

Finding the Fourth Proportional to 55,056.50, 75,984.34 and 51,678.62

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Solution

The fourth proportional to 55,056.50, 75,984.34 and 51,678.62 is: 71,322.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,056.50 : 75,984.34 = 51,678.62 : x
  2. Step 2: Convert to fraction form
    55,056.50/75,984.34 = 51,678.62/x
  3. Step 3: Cross multiply
    55,056.50x = 75,984.34 × 51,678.62
  4. Step 4: Simplify right side
    55,056.50x = 3,926,765,323.69
  5. Step 5: Solve for x
    x = 3,926,765,323.69/55,056.50
  6. Step 6: Final answer
    x = 71,322.47

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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.