Home / 53,039.64-79,555.23-30,838.86

Finding the Fourth Proportional to 53,039.64, 79,555.23 and 30,838.86

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Solution

The fourth proportional to 53,039.64, 79,555.23 and 30,838.86 is: 46,255.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,039.64 : 79,555.23 = 30,838.86 : x
  2. Step 2: Convert to fraction form
    53,039.64/79,555.23 = 30,838.86/x
  3. Step 3: Cross multiply
    53,039.64x = 79,555.23 × 30,838.86
  4. Step 4: Simplify right side
    53,039.64x = 2,453,392,600.24
  5. Step 5: Solve for x
    x = 2,453,392,600.24/53,039.64
  6. Step 6: Final answer
    x = 46,255.83

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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.