Home / 51,741.18-77,621.67-16,671.42

Finding the Fourth Proportional to 51,741.18, 77,621.67 and 16,671.42

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Solution

The fourth proportional to 51,741.18, 77,621.67 and 16,671.42 is: 25,010.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,741.18 : 77,621.67 = 16,671.42 : x
  2. Step 2: Convert to fraction form
    51,741.18/77,621.67 = 16,671.42/x
  3. Step 3: Cross multiply
    51,741.18x = 77,621.67 × 16,671.42
  4. Step 4: Simplify right side
    51,741.18x = 1,294,063,461.67
  5. Step 5: Solve for x
    x = 1,294,063,461.67/51,741.18
  6. Step 6: Final answer
    x = 25,010.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.