Home / 30,815.60-46,158.60-25,631.60

Finding the Fourth Proportional to 30,815.60, 46,158.60 and 25,631.60

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Solution

The fourth proportional to 30,815.60, 46,158.60 and 25,631.60 is: 38,393.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,815.60 : 46,158.60 = 25,631.60 : x
  2. Step 2: Convert to fraction form
    30,815.60/46,158.60 = 25,631.60/x
  3. Step 3: Cross multiply
    30,815.60x = 46,158.60 × 25,631.60
  4. Step 4: Simplify right side
    30,815.60x = 1,183,118,771.76
  5. Step 5: Solve for x
    x = 1,183,118,771.76/30,815.60
  6. Step 6: Final answer
    x = 38,393.50

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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.