Home / 45,631.44-62,947.80-28,874.16

Finding the Fourth Proportional to 45,631.44, 62,947.80 and 28,874.16

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Solution

The fourth proportional to 45,631.44, 62,947.80 and 28,874.16 is: 39,831.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,631.44 : 62,947.80 = 28,874.16 : x
  2. Step 2: Convert to fraction form
    45,631.44/62,947.80 = 28,874.16/x
  3. Step 3: Cross multiply
    45,631.44x = 62,947.80 × 28,874.16
  4. Step 4: Simplify right side
    45,631.44x = 1,817,564,848.85
  5. Step 5: Solve for x
    x = 1,817,564,848.85/45,631.44
  6. Step 6: Final answer
    x = 39,831.42

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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.