Home / 53,984.28-80,976.42-28,989.94

Finding the Fourth Proportional to 53,984.28, 80,976.42 and 28,989.94

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Solution

The fourth proportional to 53,984.28, 80,976.42 and 28,989.94 is: 43,484.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,984.28 : 80,976.42 = 28,989.94 : x
  2. Step 2: Convert to fraction form
    53,984.28/80,976.42 = 28,989.94/x
  3. Step 3: Cross multiply
    53,984.28x = 80,976.42 × 28,989.94
  4. Step 4: Simplify right side
    53,984.28x = 2,347,501,557.21
  5. Step 5: Solve for x
    x = 2,347,501,557.21/53,984.28
  6. Step 6: Final answer
    x = 43,484.91

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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.