Home / 29,147.67-43,710.57-9,420.93

Finding the Fourth Proportional to 29,147.67, 43,710.57 and 9,420.93

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Solution

The fourth proportional to 29,147.67, 43,710.57 and 9,420.93 is: 14,127.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,147.67 : 43,710.57 = 9,420.93 : x
  2. Step 2: Convert to fraction form
    29,147.67/43,710.57 = 9,420.93/x
  3. Step 3: Cross multiply
    29,147.67x = 43,710.57 × 9,420.93
  4. Step 4: Simplify right side
    29,147.67x = 411,794,220.23
  5. Step 5: Solve for x
    x = 411,794,220.23/29,147.67
  6. Step 6: Final answer
    x = 14,127.86

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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.