Home / 53,572.28-73,927-29,698.72

Finding the Fourth Proportional to 53,572.28, 73,927 and 29,698.72

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Solution

The fourth proportional to 53,572.28, 73,927 and 29,698.72 is: 40,982.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,572.28 : 73,927 = 29,698.72 : x
  2. Step 2: Convert to fraction form
    53,572.28/73,927 = 29,698.72/x
  3. Step 3: Cross multiply
    53,572.28x = 73,927 × 29,698.72
  4. Step 4: Simplify right side
    53,572.28x = 2,195,537,273.44
  5. Step 5: Solve for x
    x = 2,195,537,273.44/53,572.28
  6. Step 6: Final answer
    x = 40,982.71

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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.