Home / 38,196.87-57,038.06-31,190.57

Finding the Fourth Proportional to 38,196.87, 57,038.06 and 31,190.57

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Solution

The fourth proportional to 38,196.87, 57,038.06 and 31,190.57 is: 46,575.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,196.87 : 57,038.06 = 31,190.57 : x
  2. Step 2: Convert to fraction form
    38,196.87/57,038.06 = 31,190.57/x
  3. Step 3: Cross multiply
    38,196.87x = 57,038.06 × 31,190.57
  4. Step 4: Simplify right side
    38,196.87x = 1,779,049,930.61
  5. Step 5: Solve for x
    x = 1,779,049,930.61/38,196.87
  6. Step 6: Final answer
    x = 46,575.80

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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.