Home / 38,505.40-53,137.02-22,586.79

Finding the Fourth Proportional to 38,505.40, 53,137.02 and 22,586.79

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Solution

The fourth proportional to 38,505.40, 53,137.02 and 22,586.79 is: 31,169.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,505.40 : 53,137.02 = 22,586.79 : x
  2. Step 2: Convert to fraction form
    38,505.40/53,137.02 = 22,586.79/x
  3. Step 3: Cross multiply
    38,505.40x = 53,137.02 × 22,586.79
  4. Step 4: Simplify right side
    38,505.40x = 1,200,194,711.97
  5. Step 5: Solve for x
    x = 1,200,194,711.97/38,505.40
  6. Step 6: Final answer
    x = 31,169.52

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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.