Home / 53,220.06-73,448.61-30,562.02

Finding the Fourth Proportional to 53,220.06, 73,448.61 and 30,562.02

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Solution

The fourth proportional to 53,220.06, 73,448.61 and 30,562.02 is: 42,178.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,220.06 : 73,448.61 = 30,562.02 : x
  2. Step 2: Convert to fraction form
    53,220.06/73,448.61 = 30,562.02/x
  3. Step 3: Cross multiply
    53,220.06x = 73,448.61 × 30,562.02
  4. Step 4: Simplify right side
    53,220.06x = 2,244,737,887.79
  5. Step 5: Solve for x
    x = 2,244,737,887.79/53,220.06
  6. Step 6: Final answer
    x = 42,178.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.