Home / 57,490.21-79,333.86-40,501.27

Finding the Fourth Proportional to 57,490.21, 79,333.86 and 40,501.27

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Solution

The fourth proportional to 57,490.21, 79,333.86 and 40,501.27 is: 55,889.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,490.21 : 79,333.86 = 40,501.27 : x
  2. Step 2: Convert to fraction form
    57,490.21/79,333.86 = 40,501.27/x
  3. Step 3: Cross multiply
    57,490.21x = 79,333.86 × 40,501.27
  4. Step 4: Simplify right side
    57,490.21x = 3,213,122,084.00
  5. Step 5: Solve for x
    x = 3,213,122,084.00/57,490.21
  6. Step 6: Final answer
    x = 55,889.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.