Home / 34,140.78-47,113.62-19,032.96

Finding the Fourth Proportional to 34,140.78, 47,113.62 and 19,032.96

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Solution

The fourth proportional to 34,140.78, 47,113.62 and 19,032.96 is: 26,265.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,140.78 : 47,113.62 = 19,032.96 : x
  2. Step 2: Convert to fraction form
    34,140.78/47,113.62 = 19,032.96/x
  3. Step 3: Cross multiply
    34,140.78x = 47,113.62 × 19,032.96
  4. Step 4: Simplify right side
    34,140.78x = 896,711,644.92
  5. Step 5: Solve for x
    x = 896,711,644.92/34,140.78
  6. Step 6: Final answer
    x = 26,265.12

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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.