Home / 38,307.66-57,461.49-12,014.45

Finding the Fourth Proportional to 38,307.66, 57,461.49 and 12,014.45

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Solution

The fourth proportional to 38,307.66, 57,461.49 and 12,014.45 is: 18,021.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,307.66 : 57,461.49 = 12,014.45 : x
  2. Step 2: Convert to fraction form
    38,307.66/57,461.49 = 12,014.45/x
  3. Step 3: Cross multiply
    38,307.66x = 57,461.49 × 12,014.45
  4. Step 4: Simplify right side
    38,307.66x = 690,368,198.53
  5. Step 5: Solve for x
    x = 690,368,198.53/38,307.66
  6. Step 6: Final answer
    x = 18,021.68

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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.