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Finding the Fourth Proportional to 53,730.88, 80,440.80 and 44,866.24

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Solution

The fourth proportional to 53,730.88, 80,440.80 and 44,866.24 is: 67,169.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,730.88 : 80,440.80 = 44,866.24 : x
  2. Step 2: Convert to fraction form
    53,730.88/80,440.80 = 44,866.24/x
  3. Step 3: Cross multiply
    53,730.88x = 80,440.80 × 44,866.24
  4. Step 4: Simplify right side
    53,730.88x = 3,609,076,238.59
  5. Step 5: Solve for x
    x = 3,609,076,238.59/53,730.88
  6. Step 6: Final answer
    x = 67,169.50

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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.