Home / 50,754.72-76,219.20-31,148.40

Finding the Fourth Proportional to 50,754.72, 76,219.20 and 31,148.40

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Solution

The fourth proportional to 50,754.72, 76,219.20 and 31,148.40 is: 46,776.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,754.72 : 76,219.20 = 31,148.40 : x
  2. Step 2: Convert to fraction form
    50,754.72/76,219.20 = 31,148.40/x
  3. Step 3: Cross multiply
    50,754.72x = 76,219.20 × 31,148.40
  4. Step 4: Simplify right side
    50,754.72x = 2,374,106,129.28
  5. Step 5: Solve for x
    x = 2,374,106,129.28/50,754.72
  6. Step 6: Final answer
    x = 46,776.07

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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.