Home / 58,141.25-87,179.07-20,172.71

Finding the Fourth Proportional to 58,141.25, 87,179.07 and 20,172.71

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Solution

The fourth proportional to 58,141.25, 87,179.07 and 20,172.71 is: 30,247.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,141.25 : 87,179.07 = 20,172.71 : x
  2. Step 2: Convert to fraction form
    58,141.25/87,179.07 = 20,172.71/x
  3. Step 3: Cross multiply
    58,141.25x = 87,179.07 × 20,172.71
  4. Step 4: Simplify right side
    58,141.25x = 1,758,638,097.18
  5. Step 5: Solve for x
    x = 1,758,638,097.18/58,141.25
  6. Step 6: Final answer
    x = 30,247.68

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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.