Home / 56,069.31-84,117.48-21,009.27

Finding the Fourth Proportional to 56,069.31, 84,117.48 and 21,009.27

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Solution

The fourth proportional to 56,069.31, 84,117.48 and 21,009.27 is: 31,518.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,069.31 : 84,117.48 = 21,009.27 : x
  2. Step 2: Convert to fraction form
    56,069.31/84,117.48 = 21,009.27/x
  3. Step 3: Cross multiply
    56,069.31x = 84,117.48 × 21,009.27
  4. Step 4: Simplify right side
    56,069.31x = 1,767,246,849.04
  5. Step 5: Solve for x
    x = 1,767,246,849.04/56,069.31
  6. Step 6: Final answer
    x = 31,518.97

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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.