Home / 57,869.48-79,905.20-44,419.43

Finding the Fourth Proportional to 57,869.48, 79,905.20 and 44,419.43

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Solution

The fourth proportional to 57,869.48, 79,905.20 and 44,419.43 is: 61,333.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,869.48 : 79,905.20 = 44,419.43 : x
  2. Step 2: Convert to fraction form
    57,869.48/79,905.20 = 44,419.43/x
  3. Step 3: Cross multiply
    57,869.48x = 79,905.20 × 44,419.43
  4. Step 4: Simplify right side
    57,869.48x = 3,549,343,415.70
  5. Step 5: Solve for x
    x = 3,549,343,415.70/57,869.48
  6. Step 6: Final answer
    x = 61,333.60

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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.