Home / 56,811.43-78,395.14-32,939.64

Finding the Fourth Proportional to 56,811.43, 78,395.14 and 32,939.64

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Solution

The fourth proportional to 56,811.43, 78,395.14 and 32,939.64 is: 45,454.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,811.43 : 78,395.14 = 32,939.64 : x
  2. Step 2: Convert to fraction form
    56,811.43/78,395.14 = 32,939.64/x
  3. Step 3: Cross multiply
    56,811.43x = 78,395.14 × 32,939.64
  4. Step 4: Simplify right side
    56,811.43x = 2,582,307,510.04
  5. Step 5: Solve for x
    x = 2,582,307,510.04/56,811.43
  6. Step 6: Final answer
    x = 45,454.02

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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.