Home / 62,146.78-85,806.75-38,280.94

Finding the Fourth Proportional to 62,146.78, 85,806.75 and 38,280.94

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Solution

The fourth proportional to 62,146.78, 85,806.75 and 38,280.94 is: 52,854.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,146.78 : 85,806.75 = 38,280.94 : x
  2. Step 2: Convert to fraction form
    62,146.78/85,806.75 = 38,280.94/x
  3. Step 3: Cross multiply
    62,146.78x = 85,806.75 × 38,280.94
  4. Step 4: Simplify right side
    62,146.78x = 3,284,763,048.35
  5. Step 5: Solve for x
    x = 3,284,763,048.35/62,146.78
  6. Step 6: Final answer
    x = 52,854.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.