Home / 52,143.67-78,230.09-17,107.93

Finding the Fourth Proportional to 52,143.67, 78,230.09 and 17,107.93

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Solution

The fourth proportional to 52,143.67, 78,230.09 and 17,107.93 is: 25,666.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,143.67 : 78,230.09 = 17,107.93 : x
  2. Step 2: Convert to fraction form
    52,143.67/78,230.09 = 17,107.93/x
  3. Step 3: Cross multiply
    52,143.67x = 78,230.09 × 17,107.93
  4. Step 4: Simplify right side
    52,143.67x = 1,338,354,903.61
  5. Step 5: Solve for x
    x = 1,338,354,903.61/52,143.67
  6. Step 6: Final answer
    x = 25,666.68

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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.