Home / 53,518.14-80,288.48-20,237.47

Finding the Fourth Proportional to 53,518.14, 80,288.48 and 20,237.47

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Solution

The fourth proportional to 53,518.14, 80,288.48 and 20,237.47 is: 30,360.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,518.14 : 80,288.48 = 20,237.47 : x
  2. Step 2: Convert to fraction form
    53,518.14/80,288.48 = 20,237.47/x
  3. Step 3: Cross multiply
    53,518.14x = 80,288.48 × 20,237.47
  4. Step 4: Simplify right side
    53,518.14x = 1,624,835,555.22
  5. Step 5: Solve for x
    x = 1,624,835,555.22/53,518.14
  6. Step 6: Final answer
    x = 30,360.46

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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.