Home / 53,616.92-73,994.74-30,960.10

Finding the Fourth Proportional to 53,616.92, 73,994.74 and 30,960.10

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Solution

The fourth proportional to 53,616.92, 73,994.74 and 30,960.10 is: 42,726.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,616.92 : 73,994.74 = 30,960.10 : x
  2. Step 2: Convert to fraction form
    53,616.92/73,994.74 = 30,960.10/x
  3. Step 3: Cross multiply
    53,616.92x = 73,994.74 × 30,960.10
  4. Step 4: Simplify right side
    53,616.92x = 2,290,884,549.87
  5. Step 5: Solve for x
    x = 2,290,884,549.87/53,616.92
  6. Step 6: Final answer
    x = 42,726.90

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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.