Home / 57,531.78-79,370.46-36,298.62

Finding the Fourth Proportional to 57,531.78, 79,370.46 and 36,298.62

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Solution

The fourth proportional to 57,531.78, 79,370.46 and 36,298.62 is: 50,077.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,531.78 : 79,370.46 = 36,298.62 : x
  2. Step 2: Convert to fraction form
    57,531.78/79,370.46 = 36,298.62/x
  3. Step 3: Cross multiply
    57,531.78x = 79,370.46 × 36,298.62
  4. Step 4: Simplify right side
    57,531.78x = 2,881,038,166.77
  5. Step 5: Solve for x
    x = 2,881,038,166.77/57,531.78
  6. Step 6: Final answer
    x = 50,077.33

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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.