Home / 38,287.89-57,173.75-31,281.69

Finding the Fourth Proportional to 38,287.89, 57,173.75 and 31,281.69

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Solution

The fourth proportional to 38,287.89, 57,173.75 and 31,281.69 is: 46,711.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,287.89 : 57,173.75 = 31,281.69 : x
  2. Step 2: Convert to fraction form
    38,287.89/57,173.75 = 31,281.69/x
  3. Step 3: Cross multiply
    38,287.89x = 57,173.75 × 31,281.69
  4. Step 4: Simplify right side
    38,287.89x = 1,788,491,698.94
  5. Step 5: Solve for x
    x = 1,788,491,698.94/38,287.89
  6. Step 6: Final answer
    x = 46,711.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.