Home / 53,559.24-80,347.97-18,490.69

Finding the Fourth Proportional to 53,559.24, 80,347.97 and 18,490.69

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Solution

The fourth proportional to 53,559.24, 80,347.97 and 18,490.69 is: 27,739.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,559.24 : 80,347.97 = 18,490.69 : x
  2. Step 2: Convert to fraction form
    53,559.24/80,347.97 = 18,490.69/x
  3. Step 3: Cross multiply
    53,559.24x = 80,347.97 × 18,490.69
  4. Step 4: Simplify right side
    53,559.24x = 1,485,689,312.95
  5. Step 5: Solve for x
    x = 1,485,689,312.95/53,559.24
  6. Step 6: Final answer
    x = 27,739.18

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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.