Home / 51,520.48-77,280.78-16,462.84

Finding the Fourth Proportional to 51,520.48, 77,280.78 and 16,462.84

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Solution

The fourth proportional to 51,520.48, 77,280.78 and 16,462.84 is: 24,694.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,520.48 : 77,280.78 = 16,462.84 : x
  2. Step 2: Convert to fraction form
    51,520.48/77,280.78 = 16,462.84/x
  3. Step 3: Cross multiply
    51,520.48x = 77,280.78 × 16,462.84
  4. Step 4: Simplify right side
    51,520.48x = 1,272,261,116.22
  5. Step 5: Solve for x
    x = 1,272,261,116.22/51,520.48
  6. Step 6: Final answer
    x = 24,694.28

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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.