Home / 39,159.34-58,763.70-20,473.06

Finding the Fourth Proportional to 39,159.34, 58,763.70 and 20,473.06

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Solution

The fourth proportional to 39,159.34, 58,763.70 and 20,473.06 is: 30,722.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,159.34 : 58,763.70 = 20,473.06 : x
  2. Step 2: Convert to fraction form
    39,159.34/58,763.70 = 20,473.06/x
  3. Step 3: Cross multiply
    39,159.34x = 58,763.70 × 20,473.06
  4. Step 4: Simplify right side
    39,159.34x = 1,203,072,755.92
  5. Step 5: Solve for x
    x = 1,203,072,755.92/39,159.34
  6. Step 6: Final answer
    x = 30,722.50

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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.