Home / 35,354.21-48,788.99-19,439.68

Finding the Fourth Proportional to 35,354.21, 48,788.99 and 19,439.68

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Solution

The fourth proportional to 35,354.21, 48,788.99 and 19,439.68 is: 26,826.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,354.21 : 48,788.99 = 19,439.68 : x
  2. Step 2: Convert to fraction form
    35,354.21/48,788.99 = 19,439.68/x
  3. Step 3: Cross multiply
    35,354.21x = 48,788.99 × 19,439.68
  4. Step 4: Simplify right side
    35,354.21x = 948,442,389.81
  5. Step 5: Solve for x
    x = 948,442,389.81/35,354.21
  6. Step 6: Final answer
    x = 26,826.86

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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.