Home / 53,605.68-80,319.90-18,525.84

Finding the Fourth Proportional to 53,605.68, 80,319.90 and 18,525.84

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Solution

The fourth proportional to 53,605.68, 80,319.90 and 18,525.84 is: 27,758.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,605.68 : 80,319.90 = 18,525.84 : x
  2. Step 2: Convert to fraction form
    53,605.68/80,319.90 = 18,525.84/x
  3. Step 3: Cross multiply
    53,605.68x = 80,319.90 × 18,525.84
  4. Step 4: Simplify right side
    53,605.68x = 1,487,993,616.22
  5. Step 5: Solve for x
    x = 1,487,993,616.22/53,605.68
  6. Step 6: Final answer
    x = 27,758.13

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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.