Home / 45,314.92-62,557.31-28,328.60

Finding the Fourth Proportional to 45,314.92, 62,557.31 and 28,328.60

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Solution

The fourth proportional to 45,314.92, 62,557.31 and 28,328.60 is: 39,107.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,314.92 : 62,557.31 = 28,328.60 : x
  2. Step 2: Convert to fraction form
    45,314.92/62,557.31 = 28,328.60/x
  3. Step 3: Cross multiply
    45,314.92x = 62,557.31 × 28,328.60
  4. Step 4: Simplify right side
    45,314.92x = 1,772,160,870.42
  5. Step 5: Solve for x
    x = 1,772,160,870.42/45,314.92
  6. Step 6: Final answer
    x = 39,107.67

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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.