Home / 53,759.15-80,638.86-16,319.51

Finding the Fourth Proportional to 53,759.15, 80,638.86 and 16,319.51

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Solution

The fourth proportional to 53,759.15, 80,638.86 and 16,319.51 is: 24,479.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,759.15 : 80,638.86 = 16,319.51 : x
  2. Step 2: Convert to fraction form
    53,759.15/80,638.86 = 16,319.51/x
  3. Step 3: Cross multiply
    53,759.15x = 80,638.86 × 16,319.51
  4. Step 4: Simplify right side
    53,759.15x = 1,315,986,682.16
  5. Step 5: Solve for x
    x = 1,315,986,682.16/53,759.15
  6. Step 6: Final answer
    x = 24,479.31

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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.