Home / 56,129.19-84,168.93-21,044.22

Finding the Fourth Proportional to 56,129.19, 84,168.93 and 21,044.22

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Solution

The fourth proportional to 56,129.19, 84,168.93 and 21,044.22 is: 31,557.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,129.19 : 84,168.93 = 21,044.22 : x
  2. Step 2: Convert to fraction form
    56,129.19/84,168.93 = 21,044.22/x
  3. Step 3: Cross multiply
    56,129.19x = 84,168.93 × 21,044.22
  4. Step 4: Simplify right side
    56,129.19x = 1,771,269,480.08
  5. Step 5: Solve for x
    x = 1,771,269,480.08/56,129.19
  6. Step 6: Final answer
    x = 31,557.01

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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.