Home / 31,190.60-46,799.31-10,137.10

Finding the Fourth Proportional to 31,190.60, 46,799.31 and 10,137.10

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Solution

The fourth proportional to 31,190.60, 46,799.31 and 10,137.10 is: 15,210.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,190.60 : 46,799.31 = 10,137.10 : x
  2. Step 2: Convert to fraction form
    31,190.60/46,799.31 = 10,137.10/x
  3. Step 3: Cross multiply
    31,190.60x = 46,799.31 × 10,137.10
  4. Step 4: Simplify right side
    31,190.60x = 474,409,000.72
  5. Step 5: Solve for x
    x = 474,409,000.72/31,190.60
  6. Step 6: Final answer
    x = 15,210.00

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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.