Home / 38,365.81-57,545.07-13,401.25

Finding the Fourth Proportional to 38,365.81, 57,545.07 and 13,401.25

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Solution

The fourth proportional to 38,365.81, 57,545.07 and 13,401.25 is: 20,100.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,365.81 : 57,545.07 = 13,401.25 : x
  2. Step 2: Convert to fraction form
    38,365.81/57,545.07 = 13,401.25/x
  3. Step 3: Cross multiply
    38,365.81x = 57,545.07 × 13,401.25
  4. Step 4: Simplify right side
    38,365.81x = 771,175,869.34
  5. Step 5: Solve for x
    x = 771,175,869.34/38,365.81
  6. Step 6: Final answer
    x = 20,100.60

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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.