Home / 51,958.72-77,931.60-20,794.24

Finding the Fourth Proportional to 51,958.72, 77,931.60 and 20,794.24

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Solution

The fourth proportional to 51,958.72, 77,931.60 and 20,794.24 is: 31,188.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,958.72 : 77,931.60 = 20,794.24 : x
  2. Step 2: Convert to fraction form
    51,958.72/77,931.60 = 20,794.24/x
  3. Step 3: Cross multiply
    51,958.72x = 77,931.60 × 20,794.24
  4. Step 4: Simplify right side
    51,958.72x = 1,620,528,393.98
  5. Step 5: Solve for x
    x = 1,620,528,393.98/51,958.72
  6. Step 6: Final answer
    x = 31,188.77

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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.