Home / 56,501.86-84,719.97-21,422.38

Finding the Fourth Proportional to 56,501.86, 84,719.97 and 21,422.38

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Solution

The fourth proportional to 56,501.86, 84,719.97 and 21,422.38 is: 32,121.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,501.86 : 84,719.97 = 21,422.38 : x
  2. Step 2: Convert to fraction form
    56,501.86/84,719.97 = 21,422.38/x
  3. Step 3: Cross multiply
    56,501.86x = 84,719.97 × 21,422.38
  4. Step 4: Simplify right side
    56,501.86x = 1,814,902,886.99
  5. Step 5: Solve for x
    x = 1,814,902,886.99/56,501.86
  6. Step 6: Final answer
    x = 32,121.12

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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.