Home / 53,620.19-74,002.24-30,964.69

Finding the Fourth Proportional to 53,620.19, 74,002.24 and 30,964.69

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Solution

The fourth proportional to 53,620.19, 74,002.24 and 30,964.69 is: 42,734.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,620.19 : 74,002.24 = 30,964.69 : x
  2. Step 2: Convert to fraction form
    53,620.19/74,002.24 = 30,964.69/x
  3. Step 3: Cross multiply
    53,620.19x = 74,002.24 × 30,964.69
  4. Step 4: Simplify right side
    53,620.19x = 2,291,456,420.91
  5. Step 5: Solve for x
    x = 2,291,456,420.91/53,620.19
  6. Step 6: Final answer
    x = 42,734.96

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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.