Home / 38,090.51-57,113.89-20,299.27

Finding the Fourth Proportional to 38,090.51, 57,113.89 and 20,299.27

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Solution

The fourth proportional to 38,090.51, 57,113.89 and 20,299.27 is: 30,437.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,090.51 : 57,113.89 = 20,299.27 : x
  2. Step 2: Convert to fraction form
    38,090.51/57,113.89 = 20,299.27/x
  3. Step 3: Cross multiply
    38,090.51x = 57,113.89 × 20,299.27
  4. Step 4: Simplify right side
    38,090.51x = 1,159,370,273.86
  5. Step 5: Solve for x
    x = 1,159,370,273.86/38,090.51
  6. Step 6: Final answer
    x = 30,437.25

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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.