Home / 53,212.12-79,845.10-35,454.88

Finding the Fourth Proportional to 53,212.12, 79,845.10 and 35,454.88

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Solution

The fourth proportional to 53,212.12, 79,845.10 and 35,454.88 is: 53,200.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,212.12 : 79,845.10 = 35,454.88 : x
  2. Step 2: Convert to fraction form
    53,212.12/79,845.10 = 35,454.88/x
  3. Step 3: Cross multiply
    53,212.12x = 79,845.10 × 35,454.88
  4. Step 4: Simplify right side
    53,212.12x = 2,830,898,439.09
  5. Step 5: Solve for x
    x = 2,830,898,439.09/53,212.12
  6. Step 6: Final answer
    x = 53,200.26

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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.