Home / 56,572.82-84,870.15-21,509.75

Finding the Fourth Proportional to 56,572.82, 84,870.15 and 21,509.75

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Solution

The fourth proportional to 56,572.82, 84,870.15 and 21,509.75 is: 32,268.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,572.82 : 84,870.15 = 21,509.75 : x
  2. Step 2: Convert to fraction form
    56,572.82/84,870.15 = 21,509.75/x
  3. Step 3: Cross multiply
    56,572.82x = 84,870.15 × 21,509.75
  4. Step 4: Simplify right side
    56,572.82x = 1,825,535,177.06
  5. Step 5: Solve for x
    x = 1,825,535,177.06/56,572.82
  6. Step 6: Final answer
    x = 32,268.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.