Home / 50,927.80-76,391.70-40,430.20

Finding the Fourth Proportional to 50,927.80, 76,391.70 and 40,430.20

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Solution

The fourth proportional to 50,927.80, 76,391.70 and 40,430.20 is: 60,645.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,927.80 : 76,391.70 = 40,430.20 : x
  2. Step 2: Convert to fraction form
    50,927.80/76,391.70 = 40,430.20/x
  3. Step 3: Cross multiply
    50,927.80x = 76,391.70 × 40,430.20
  4. Step 4: Simplify right side
    50,927.80x = 3,088,531,709.34
  5. Step 5: Solve for x
    x = 3,088,531,709.34/50,927.80
  6. Step 6: Final answer
    x = 60,645.30

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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.