Home / 34,864.32-48,113.06-18,948.78

Finding the Fourth Proportional to 34,864.32, 48,113.06 and 18,948.78

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Solution

The fourth proportional to 34,864.32, 48,113.06 and 18,948.78 is: 26,149.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,864.32 : 48,113.06 = 18,948.78 : x
  2. Step 2: Convert to fraction form
    34,864.32/48,113.06 = 18,948.78/x
  3. Step 3: Cross multiply
    34,864.32x = 48,113.06 × 18,948.78
  4. Step 4: Simplify right side
    34,864.32x = 911,683,789.07
  5. Step 5: Solve for x
    x = 911,683,789.07/34,864.32
  6. Step 6: Final answer
    x = 26,149.48

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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.