Home / 51,954.18-77,925.80-18,219.72

Finding the Fourth Proportional to 51,954.18, 77,925.80 and 18,219.72

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Solution

The fourth proportional to 51,954.18, 77,925.80 and 18,219.72 is: 27,327.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,954.18 : 77,925.80 = 18,219.72 : x
  2. Step 2: Convert to fraction form
    51,954.18/77,925.80 = 18,219.72/x
  3. Step 3: Cross multiply
    51,954.18x = 77,925.80 × 18,219.72
  4. Step 4: Simplify right side
    51,954.18x = 1,419,786,256.78
  5. Step 5: Solve for x
    x = 1,419,786,256.78/51,954.18
  6. Step 6: Final answer
    x = 27,327.66

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1.5x scale

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.