Home / 38,975.16-58,436.57-20,011.29

Finding the Fourth Proportional to 38,975.16, 58,436.57 and 20,011.29

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Solution

The fourth proportional to 38,975.16, 58,436.57 and 20,011.29 is: 30,003.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,975.16 : 58,436.57 = 20,011.29 : x
  2. Step 2: Convert to fraction form
    38,975.16/58,436.57 = 20,011.29/x
  3. Step 3: Cross multiply
    38,975.16x = 58,436.57 × 20,011.29
  4. Step 4: Simplify right side
    38,975.16x = 1,169,391,048.82
  5. Step 5: Solve for x
    x = 1,169,391,048.82/38,975.16
  6. Step 6: Final answer
    x = 30,003.50

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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.