Home / 47,329.92-65,342.88-31,436.16

Finding the Fourth Proportional to 47,329.92, 65,342.88 and 31,436.16

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Solution

The fourth proportional to 47,329.92, 65,342.88 and 31,436.16 is: 43,400.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,329.92 : 65,342.88 = 31,436.16 : x
  2. Step 2: Convert to fraction form
    47,329.92/65,342.88 = 31,436.16/x
  3. Step 3: Cross multiply
    47,329.92x = 65,342.88 × 31,436.16
  4. Step 4: Simplify right side
    47,329.92x = 2,054,129,230.54
  5. Step 5: Solve for x
    x = 2,054,129,230.54/47,329.92
  6. Step 6: Final answer
    x = 43,400.23

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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.