Home / 52,324.80-78,487.20-31,329.60

Finding the Fourth Proportional to 52,324.80, 78,487.20 and 31,329.60

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Solution

The fourth proportional to 52,324.80, 78,487.20 and 31,329.60 is: 46,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,324.80 : 78,487.20 = 31,329.60 : x
  2. Step 2: Convert to fraction form
    52,324.80/78,487.20 = 31,329.60/x
  3. Step 3: Cross multiply
    52,324.80x = 78,487.20 × 31,329.60
  4. Step 4: Simplify right side
    52,324.80x = 2,458,972,581.12
  5. Step 5: Solve for x
    x = 2,458,972,581.12/52,324.80
  6. Step 6: Final answer
    x = 46,994.40

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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.