Home / 55,235.60-76,225.09-30,085.10

Finding the Fourth Proportional to 55,235.60, 76,225.09 and 30,085.10

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Solution

The fourth proportional to 55,235.60, 76,225.09 and 30,085.10 is: 41,517.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,235.60 : 76,225.09 = 30,085.10 : x
  2. Step 2: Convert to fraction form
    55,235.60/76,225.09 = 30,085.10/x
  3. Step 3: Cross multiply
    55,235.60x = 76,225.09 × 30,085.10
  4. Step 4: Simplify right side
    55,235.60x = 2,293,239,455.16
  5. Step 5: Solve for x
    x = 2,293,239,455.16/55,235.60
  6. Step 6: Final answer
    x = 41,517.42

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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.