Home / 69,284.81-103,918.27-21,904.71

Finding the Fourth Proportional to 69,284.81, 103,918.27 and 21,904.71

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Solution

The fourth proportional to 69,284.81, 103,918.27 and 21,904.71 is: 32,854.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,284.81 : 103,918.27 = 21,904.71 : x
  2. Step 2: Convert to fraction form
    69,284.81/103,918.27 = 21,904.71/x
  3. Step 3: Cross multiply
    69,284.81x = 103,918.27 × 21,904.71
  4. Step 4: Simplify right side
    69,284.81x = 2,276,299,607.01
  5. Step 5: Solve for x
    x = 2,276,299,607.01/69,284.81
  6. Step 6: Final answer
    x = 32,854.24

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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.