Home / 39,159.77-58,665.68-30,351.56

Finding the Fourth Proportional to 39,159.77, 58,665.68 and 30,351.56

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Solution

The fourth proportional to 39,159.77, 58,665.68 and 30,351.56 is: 45,470.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,159.77 : 58,665.68 = 30,351.56 : x
  2. Step 2: Convert to fraction form
    39,159.77/58,665.68 = 30,351.56/x
  3. Step 3: Cross multiply
    39,159.77x = 58,665.68 × 30,351.56
  4. Step 4: Simplify right side
    39,159.77x = 1,780,594,754.70
  5. Step 5: Solve for x
    x = 1,780,594,754.70/39,159.77
  6. Step 6: Final answer
    x = 45,470.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.