Home / 56,421.26-84,620.91-21,363.66

Finding the Fourth Proportional to 56,421.26, 84,620.91 and 21,363.66

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Solution

The fourth proportional to 56,421.26, 84,620.91 and 21,363.66 is: 32,041.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,421.26 : 84,620.91 = 21,363.66 : x
  2. Step 2: Convert to fraction form
    56,421.26/84,620.91 = 21,363.66/x
  3. Step 3: Cross multiply
    56,421.26x = 84,620.91 × 21,363.66
  4. Step 4: Simplify right side
    56,421.26x = 1,807,812,350.13
  5. Step 5: Solve for x
    x = 1,807,812,350.13/56,421.26
  6. Step 6: Final answer
    x = 32,041.33

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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.