Home / 38,021.14-57,038.19-11,720.98

Finding the Fourth Proportional to 38,021.14, 57,038.19 and 11,720.98

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Solution

The fourth proportional to 38,021.14, 57,038.19 and 11,720.98 is: 17,583.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,021.14 : 57,038.19 = 11,720.98 : x
  2. Step 2: Convert to fraction form
    38,021.14/57,038.19 = 11,720.98/x
  3. Step 3: Cross multiply
    38,021.14x = 57,038.19 × 11,720.98
  4. Step 4: Simplify right side
    38,021.14x = 668,543,484.23
  5. Step 5: Solve for x
    x = 668,543,484.23/38,021.14
  6. Step 6: Final answer
    x = 17,583.47

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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.