Home / 38,755.67-53,483.49-21,760.85

Finding the Fourth Proportional to 38,755.67, 53,483.49 and 21,760.85

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Solution

The fourth proportional to 38,755.67, 53,483.49 and 21,760.85 is: 30,030.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,755.67 : 53,483.49 = 21,760.85 : x
  2. Step 2: Convert to fraction form
    38,755.67/53,483.49 = 21,760.85/x
  3. Step 3: Cross multiply
    38,755.67x = 53,483.49 × 21,760.85
  4. Step 4: Simplify right side
    38,755.67x = 1,163,846,337.08
  5. Step 5: Solve for x
    x = 1,163,846,337.08/38,755.67
  6. Step 6: Final answer
    x = 30,030.35

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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.