Home / 38,072.12-57,106.04-13,111.56

Finding the Fourth Proportional to 38,072.12, 57,106.04 and 13,111.56

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Solution

The fourth proportional to 38,072.12, 57,106.04 and 13,111.56 is: 19,666.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,072.12 : 57,106.04 = 13,111.56 : x
  2. Step 2: Convert to fraction form
    38,072.12/57,106.04 = 13,111.56/x
  3. Step 3: Cross multiply
    38,072.12x = 57,106.04 × 13,111.56
  4. Step 4: Simplify right side
    38,072.12x = 748,749,204.26
  5. Step 5: Solve for x
    x = 748,749,204.26/38,072.12
  6. Step 6: Final answer
    x = 19,666.60

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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.