Home / 55,236.12-76,225.98-30,085.80

Finding the Fourth Proportional to 55,236.12, 76,225.98 and 30,085.80

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Solution

The fourth proportional to 55,236.12, 76,225.98 and 30,085.80 is: 41,518.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,236.12 : 76,225.98 = 30,085.80 : x
  2. Step 2: Convert to fraction form
    55,236.12/76,225.98 = 30,085.80/x
  3. Step 3: Cross multiply
    55,236.12x = 76,225.98 × 30,085.80
  4. Step 4: Simplify right side
    55,236.12x = 2,293,319,589.08
  5. Step 5: Solve for x
    x = 2,293,319,589.08/55,236.12
  6. Step 6: Final answer
    x = 41,518.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.