Home / 43,342.60-64,869.90-31,462.60

Finding the Fourth Proportional to 43,342.60, 64,869.90 and 31,462.60

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Solution

The fourth proportional to 43,342.60, 64,869.90 and 31,462.60 is: 47,089.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,342.60 : 64,869.90 = 31,462.60 : x
  2. Step 2: Convert to fraction form
    43,342.60/64,869.90 = 31,462.60/x
  3. Step 3: Cross multiply
    43,342.60x = 64,869.90 × 31,462.60
  4. Step 4: Simplify right side
    43,342.60x = 2,040,975,715.74
  5. Step 5: Solve for x
    x = 2,040,975,715.74/43,342.60
  6. Step 6: Final answer
    x = 47,089.37

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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.