Home / 53,356.21-80,038.87-15,913.86

Finding the Fourth Proportional to 53,356.21, 80,038.87 and 15,913.86

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Solution

The fourth proportional to 53,356.21, 80,038.87 and 15,913.86 is: 23,872.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,356.21 : 80,038.87 = 15,913.86 : x
  2. Step 2: Convert to fraction form
    53,356.21/80,038.87 = 15,913.86/x
  3. Step 3: Cross multiply
    53,356.21x = 80,038.87 × 15,913.86
  4. Step 4: Simplify right side
    53,356.21x = 1,273,727,371.74
  5. Step 5: Solve for x
    x = 1,273,727,371.74/53,356.21
  6. Step 6: Final answer
    x = 23,872.15

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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.