Home / 56,940.96-85,423.44-21,402.56

Finding the Fourth Proportional to 56,940.96, 85,423.44 and 21,402.56

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Solution

The fourth proportional to 56,940.96, 85,423.44 and 21,402.56 is: 32,108.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,940.96 : 85,423.44 = 21,402.56 : x
  2. Step 2: Convert to fraction form
    56,940.96/85,423.44 = 21,402.56/x
  3. Step 3: Cross multiply
    56,940.96x = 85,423.44 × 21,402.56
  4. Step 4: Simplify right side
    56,940.96x = 1,828,280,300.01
  5. Step 5: Solve for x
    x = 1,828,280,300.01/56,940.96
  6. Step 6: Final answer
    x = 32,108.35

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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.