Home / 51,433.40-77,156.27-18,146.58

Finding the Fourth Proportional to 51,433.40, 77,156.27 and 18,146.58

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Solution

The fourth proportional to 51,433.40, 77,156.27 and 18,146.58 is: 27,222.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,433.40 : 77,156.27 = 18,146.58 : x
  2. Step 2: Convert to fraction form
    51,433.40/77,156.27 = 18,146.58/x
  3. Step 3: Cross multiply
    51,433.40x = 77,156.27 × 18,146.58
  4. Step 4: Simplify right side
    51,433.40x = 1,400,122,335.32
  5. Step 5: Solve for x
    x = 1,400,122,335.32/51,433.40
  6. Step 6: Final answer
    x = 27,222.05

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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.