Home / 53,539.68-80,228.16-42,399.84

Finding the Fourth Proportional to 53,539.68, 80,228.16 and 42,399.84

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Solution

The fourth proportional to 53,539.68, 80,228.16 and 42,399.84 is: 63,535.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,539.68 : 80,228.16 = 42,399.84 : x
  2. Step 2: Convert to fraction form
    53,539.68/80,228.16 = 42,399.84/x
  3. Step 3: Cross multiply
    53,539.68x = 80,228.16 × 42,399.84
  4. Step 4: Simplify right side
    53,539.68x = 3,401,661,147.49
  5. Step 5: Solve for x
    x = 3,401,661,147.49/53,539.68
  6. Step 6: Final answer
    x = 63,535.33

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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.