Home / 53,535.76-80,243.16-40,346.80

Finding the Fourth Proportional to 53,535.76, 80,243.16 and 40,346.80

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Solution

The fourth proportional to 53,535.76, 80,243.16 and 40,346.80 is: 60,474.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,535.76 : 80,243.16 = 40,346.80 : x
  2. Step 2: Convert to fraction form
    53,535.76/80,243.16 = 40,346.80/x
  3. Step 3: Cross multiply
    53,535.76x = 80,243.16 × 40,346.80
  4. Step 4: Simplify right side
    53,535.76x = 3,237,554,727.89
  5. Step 5: Solve for x
    x = 3,237,554,727.89/53,535.76
  6. Step 6: Final answer
    x = 60,474.62

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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.