Home / 50,549.89-69,756.27-30,402.90

Finding the Fourth Proportional to 50,549.89, 69,756.27 and 30,402.90

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Solution

The fourth proportional to 50,549.89, 69,756.27 and 30,402.90 is: 41,954.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,549.89 : 69,756.27 = 30,402.90 : x
  2. Step 2: Convert to fraction form
    50,549.89/69,756.27 = 30,402.90/x
  3. Step 3: Cross multiply
    50,549.89x = 69,756.27 × 30,402.90
  4. Step 4: Simplify right side
    50,549.89x = 2,120,792,901.18
  5. Step 5: Solve for x
    x = 2,120,792,901.18/50,549.89
  6. Step 6: Final answer
    x = 41,954.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.