Home / 43,132.69-64,605.47-20,899.44

Finding the Fourth Proportional to 43,132.69, 64,605.47 and 20,899.44

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Solution

The fourth proportional to 43,132.69, 64,605.47 and 20,899.44 is: 31,303.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,132.69 : 64,605.47 = 20,899.44 : x
  2. Step 2: Convert to fraction form
    43,132.69/64,605.47 = 20,899.44/x
  3. Step 3: Cross multiply
    43,132.69x = 64,605.47 × 20,899.44
  4. Step 4: Simplify right side
    43,132.69x = 1,350,218,117.81
  5. Step 5: Solve for x
    x = 1,350,218,117.81/43,132.69
  6. Step 6: Final answer
    x = 31,303.82

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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.