Home / 57,929.22-79,929.39-35,280.06

Finding the Fourth Proportional to 57,929.22, 79,929.39 and 35,280.06

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Solution

The fourth proportional to 57,929.22, 79,929.39 and 35,280.06 is: 48,678.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,929.22 : 79,929.39 = 35,280.06 : x
  2. Step 2: Convert to fraction form
    57,929.22/79,929.39 = 35,280.06/x
  3. Step 3: Cross multiply
    57,929.22x = 79,929.39 × 35,280.06
  4. Step 4: Simplify right side
    57,929.22x = 2,819,913,674.96
  5. Step 5: Solve for x
    x = 2,819,913,674.96/57,929.22
  6. Step 6: Final answer
    x = 48,678.61

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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.