Home / 53,299.92-73,552.80-30,638.33

Finding the Fourth Proportional to 53,299.92, 73,552.80 and 30,638.33

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Solution

The fourth proportional to 53,299.92, 73,552.80 and 30,638.33 is: 42,280.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,299.92 : 73,552.80 = 30,638.33 : x
  2. Step 2: Convert to fraction form
    53,299.92/73,552.80 = 30,638.33/x
  3. Step 3: Cross multiply
    53,299.92x = 73,552.80 × 30,638.33
  4. Step 4: Simplify right side
    53,299.92x = 2,253,535,027.81
  5. Step 5: Solve for x
    x = 2,253,535,027.81/53,299.92
  6. Step 6: Final answer
    x = 42,280.27

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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.