Home / 34,983.19-48,278.11-19,878.42

Finding the Fourth Proportional to 34,983.19, 48,278.11 and 19,878.42

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Solution

The fourth proportional to 34,983.19, 48,278.11 and 19,878.42 is: 27,432.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,983.19 : 48,278.11 = 19,878.42 : x
  2. Step 2: Convert to fraction form
    34,983.19/48,278.11 = 19,878.42/x
  3. Step 3: Cross multiply
    34,983.19x = 48,278.11 × 19,878.42
  4. Step 4: Simplify right side
    34,983.19x = 959,692,547.39
  5. Step 5: Solve for x
    x = 959,692,547.39/34,983.19
  6. Step 6: Final answer
    x = 27,432.97

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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.