Home / 69,001.21-103,501.82-21,616.71

Finding the Fourth Proportional to 69,001.21, 103,501.82 and 21,616.71

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Solution

The fourth proportional to 69,001.21, 103,501.82 and 21,616.71 is: 32,425.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,001.21 : 103,501.82 = 21,616.71 : x
  2. Step 2: Convert to fraction form
    69,001.21/103,501.82 = 21,616.71/x
  3. Step 3: Cross multiply
    69,001.21x = 103,501.82 × 21,616.71
  4. Step 4: Simplify right side
    69,001.21x = 2,237,368,827.41
  5. Step 5: Solve for x
    x = 2,237,368,827.41/69,001.21
  6. Step 6: Final answer
    x = 32,425.07

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1.5x scale

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.