Home / 35,354.08-48,789.12-19,439.20

Finding the Fourth Proportional to 35,354.08, 48,789.12 and 19,439.20

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Solution

The fourth proportional to 35,354.08, 48,789.12 and 19,439.20 is: 26,826.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,354.08 : 48,789.12 = 19,439.20 : x
  2. Step 2: Convert to fraction form
    35,354.08/48,789.12 = 19,439.20/x
  3. Step 3: Cross multiply
    35,354.08x = 48,789.12 × 19,439.20
  4. Step 4: Simplify right side
    35,354.08x = 948,421,461.50
  5. Step 5: Solve for x
    x = 948,421,461.50/35,354.08
  6. Step 6: Final answer
    x = 26,826.37

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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.