Home / 29,683.15-40,990.50-19,091.17

Finding the Fourth Proportional to 29,683.15, 40,990.50 and 19,091.17

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Solution

The fourth proportional to 29,683.15, 40,990.50 and 19,091.17 is: 26,363.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,683.15 : 40,990.50 = 19,091.17 : x
  2. Step 2: Convert to fraction form
    29,683.15/40,990.50 = 19,091.17/x
  3. Step 3: Cross multiply
    29,683.15x = 40,990.50 × 19,091.17
  4. Step 4: Simplify right side
    29,683.15x = 782,556,603.89
  5. Step 5: Solve for x
    x = 782,556,603.89/29,683.15
  6. Step 6: Final answer
    x = 26,363.66

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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.