Home / 38,077.16-57,103.38-13,111.07

Finding the Fourth Proportional to 38,077.16, 57,103.38 and 13,111.07

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Solution

The fourth proportional to 38,077.16, 57,103.38 and 13,111.07 is: 19,662.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,077.16 : 57,103.38 = 13,111.07 : x
  2. Step 2: Convert to fraction form
    38,077.16/57,103.38 = 13,111.07/x
  3. Step 3: Cross multiply
    38,077.16x = 57,103.38 × 13,111.07
  4. Step 4: Simplify right side
    38,077.16x = 748,686,126.90
  5. Step 5: Solve for x
    x = 748,686,126.90/38,077.16
  6. Step 6: Final answer
    x = 19,662.34

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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.