Home / 51,977.23-77,965.15-12,534.02

Finding the Fourth Proportional to 51,977.23, 77,965.15 and 12,534.02

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Solution

The fourth proportional to 51,977.23, 77,965.15 and 12,534.02 is: 18,800.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,977.23 : 77,965.15 = 12,534.02 : x
  2. Step 2: Convert to fraction form
    51,977.23/77,965.15 = 12,534.02/x
  3. Step 3: Cross multiply
    51,977.23x = 77,965.15 × 12,534.02
  4. Step 4: Simplify right side
    51,977.23x = 977,216,749.40
  5. Step 5: Solve for x
    x = 977,216,749.40/51,977.23
  6. Step 6: Final answer
    x = 18,800.86

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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.