Home / 38,070.96-57,105.81-13,110.46

Finding the Fourth Proportional to 38,070.96, 57,105.81 and 13,110.46

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Solution

The fourth proportional to 38,070.96, 57,105.81 and 13,110.46 is: 19,665.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,070.96 : 57,105.81 = 13,110.46 : x
  2. Step 2: Convert to fraction form
    38,070.96/57,105.81 = 13,110.46/x
  3. Step 3: Cross multiply
    38,070.96x = 57,105.81 × 13,110.46
  4. Step 4: Simplify right side
    38,070.96x = 748,683,295.01
  5. Step 5: Solve for x
    x = 748,683,295.01/38,070.96
  6. Step 6: Final answer
    x = 19,665.47

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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.