Home / 30,803.10-46,139.85-25,619.10

Finding the Fourth Proportional to 30,803.10, 46,139.85 and 25,619.10

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Solution

The fourth proportional to 30,803.10, 46,139.85 and 25,619.10 is: 38,374.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,803.10 : 46,139.85 = 25,619.10 : x
  2. Step 2: Convert to fraction form
    30,803.10/46,139.85 = 25,619.10/x
  3. Step 3: Cross multiply
    30,803.10x = 46,139.85 × 25,619.10
  4. Step 4: Simplify right side
    30,803.10x = 1,182,061,431.14
  5. Step 5: Solve for x
    x = 1,182,061,431.14/30,803.10
  6. Step 6: Final answer
    x = 38,374.76

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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.