Home / 38,211.48-57,316.68-11,916.48

Finding the Fourth Proportional to 38,211.48, 57,316.68 and 11,916.48

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Solution

The fourth proportional to 38,211.48, 57,316.68 and 11,916.48 is: 17,874.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,211.48 : 57,316.68 = 11,916.48 : x
  2. Step 2: Convert to fraction form
    38,211.48/57,316.68 = 11,916.48/x
  3. Step 3: Cross multiply
    38,211.48x = 57,316.68 × 11,916.48
  4. Step 4: Simplify right side
    38,211.48x = 683,013,070.89
  5. Step 5: Solve for x
    x = 683,013,070.89/38,211.48
  6. Step 6: Final answer
    x = 17,874.55

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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.