Home / 35,695.12-49,259.55-19,779.83

Finding the Fourth Proportional to 35,695.12, 49,259.55 and 19,779.83

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Solution

The fourth proportional to 35,695.12, 49,259.55 and 19,779.83 is: 27,296.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,695.12 : 49,259.55 = 19,779.83 : x
  2. Step 2: Convert to fraction form
    35,695.12/49,259.55 = 19,779.83/x
  3. Step 3: Cross multiply
    35,695.12x = 49,259.55 × 19,779.83
  4. Step 4: Simplify right side
    35,695.12x = 974,345,722.20
  5. Step 5: Solve for x
    x = 974,345,722.20/35,695.12
  6. Step 6: Final answer
    x = 27,296.33

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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.