Home / 53,620.70-74,002.94-30,965.19

Finding the Fourth Proportional to 53,620.70, 74,002.94 and 30,965.19

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Solution

The fourth proportional to 53,620.70, 74,002.94 and 30,965.19 is: 42,735.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,620.70 : 74,002.94 = 30,965.19 : x
  2. Step 2: Convert to fraction form
    53,620.70/74,002.94 = 30,965.19/x
  3. Step 3: Cross multiply
    53,620.70x = 74,002.94 × 30,965.19
  4. Step 4: Simplify right side
    53,620.70x = 2,291,514,942.83
  5. Step 5: Solve for x
    x = 2,291,514,942.83/53,620.70
  6. Step 6: Final answer
    x = 42,735.64

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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.