Home / 45,803.28-68,615.46-31,569.21

Finding the Fourth Proportional to 45,803.28, 68,615.46 and 31,569.21

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Solution

The fourth proportional to 45,803.28, 68,615.46 and 31,569.21 is: 47,292.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,803.28 : 68,615.46 = 31,569.21 : x
  2. Step 2: Convert to fraction form
    45,803.28/68,615.46 = 31,569.21/x
  3. Step 3: Cross multiply
    45,803.28x = 68,615.46 × 31,569.21
  4. Step 4: Simplify right side
    45,803.28x = 2,166,135,865.99
  5. Step 5: Solve for x
    x = 2,166,135,865.99/45,803.28
  6. Step 6: Final answer
    x = 47,292.16

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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.