Home / 31,554.90-43,545.42-17,214.96

Finding the Fourth Proportional to 31,554.90, 43,545.42 and 17,214.96

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Solution

The fourth proportional to 31,554.90, 43,545.42 and 17,214.96 is: 23,756.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,554.90 : 43,545.42 = 17,214.96 : x
  2. Step 2: Convert to fraction form
    31,554.90/43,545.42 = 17,214.96/x
  3. Step 3: Cross multiply
    31,554.90x = 43,545.42 × 17,214.96
  4. Step 4: Simplify right side
    31,554.90x = 749,632,663.48
  5. Step 5: Solve for x
    x = 749,632,663.48/31,554.90
  6. Step 6: Final answer
    x = 23,756.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.