Home / 53,970.02-80,952.29-18,906.94

Finding the Fourth Proportional to 53,970.02, 80,952.29 and 18,906.94

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Solution

The fourth proportional to 53,970.02, 80,952.29 and 18,906.94 is: 28,359.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,970.02 : 80,952.29 = 18,906.94 : x
  2. Step 2: Convert to fraction form
    53,970.02/80,952.29 = 18,906.94/x
  3. Step 3: Cross multiply
    53,970.02x = 80,952.29 × 18,906.94
  4. Step 4: Simplify right side
    53,970.02x = 1,530,560,089.89
  5. Step 5: Solve for x
    x = 1,530,560,089.89/53,970.02
  6. Step 6: Final answer
    x = 28,359.45

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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.