Home / 38,080.28-52,550.70-21,085.40

Finding the Fourth Proportional to 38,080.28, 52,550.70 and 21,085.40

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Solution

The fourth proportional to 38,080.28, 52,550.70 and 21,085.40 is: 29,097.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,080.28 : 52,550.70 = 21,085.40 : x
  2. Step 2: Convert to fraction form
    38,080.28/52,550.70 = 21,085.40/x
  3. Step 3: Cross multiply
    38,080.28x = 52,550.70 × 21,085.40
  4. Step 4: Simplify right side
    38,080.28x = 1,108,052,529.78
  5. Step 5: Solve for x
    x = 1,108,052,529.78/38,080.28
  6. Step 6: Final answer
    x = 29,097.80

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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.