Home / 34,862.10-48,109.74-19,755.78

Finding the Fourth Proportional to 34,862.10, 48,109.74 and 19,755.78

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Solution

The fourth proportional to 34,862.10, 48,109.74 and 19,755.78 is: 27,263.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,862.10 : 48,109.74 = 19,755.78 : x
  2. Step 2: Convert to fraction form
    34,862.10/48,109.74 = 19,755.78/x
  3. Step 3: Cross multiply
    34,862.10x = 48,109.74 × 19,755.78
  4. Step 4: Simplify right side
    34,862.10x = 950,445,439.30
  5. Step 5: Solve for x
    x = 950,445,439.30/34,862.10
  6. Step 6: Final answer
    x = 27,263.00

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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.