Home / 36,085.60-54,128.43-9,790.34

Finding the Fourth Proportional to 36,085.60, 54,128.43 and 9,790.34

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Solution

The fourth proportional to 36,085.60, 54,128.43 and 9,790.34 is: 14,685.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,085.60 : 54,128.43 = 9,790.34 : x
  2. Step 2: Convert to fraction form
    36,085.60/54,128.43 = 9,790.34/x
  3. Step 3: Cross multiply
    36,085.60x = 54,128.43 × 9,790.34
  4. Step 4: Simplify right side
    36,085.60x = 529,935,868.69
  5. Step 5: Solve for x
    x = 529,935,868.69/36,085.60
  6. Step 6: Final answer
    x = 14,685.52

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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.