Home / 53,362.28-80,047.47-15,919.43

Finding the Fourth Proportional to 53,362.28, 80,047.47 and 15,919.43

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Solution

The fourth proportional to 53,362.28, 80,047.47 and 15,919.43 is: 23,880.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,362.28 : 80,047.47 = 15,919.43 : x
  2. Step 2: Convert to fraction form
    53,362.28/80,047.47 = 15,919.43/x
  3. Step 3: Cross multiply
    53,362.28x = 80,047.47 × 15,919.43
  4. Step 4: Simplify right side
    53,362.28x = 1,274,309,695.10
  5. Step 5: Solve for x
    x = 1,274,309,695.10/53,362.28
  6. Step 6: Final answer
    x = 23,880.35

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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.