Home / 31,155.64-46,694.58-15,577.72

Finding the Fourth Proportional to 31,155.64, 46,694.58 and 15,577.72

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Solution

The fourth proportional to 31,155.64, 46,694.58 and 15,577.72 is: 23,347.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,155.64 : 46,694.58 = 15,577.72 : x
  2. Step 2: Convert to fraction form
    31,155.64/46,694.58 = 15,577.72/x
  3. Step 3: Cross multiply
    31,155.64x = 46,694.58 × 15,577.72
  4. Step 4: Simplify right side
    31,155.64x = 727,395,092.76
  5. Step 5: Solve for x
    x = 727,395,092.76/31,155.64
  6. Step 6: Final answer
    x = 23,347.14

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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.