Home / 57,269.16-79,031.21-31,779.41

Finding the Fourth Proportional to 57,269.16, 79,031.21 and 31,779.41

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Solution

The fourth proportional to 57,269.16, 79,031.21 and 31,779.41 is: 43,855.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,269.16 : 79,031.21 = 31,779.41 : x
  2. Step 2: Convert to fraction form
    57,269.16/79,031.21 = 31,779.41/x
  3. Step 3: Cross multiply
    57,269.16x = 79,031.21 × 31,779.41
  4. Step 4: Simplify right side
    57,269.16x = 2,511,564,671.33
  5. Step 5: Solve for x
    x = 2,511,564,671.33/57,269.16
  6. Step 6: Final answer
    x = 43,855.45

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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.