Home / 30,647.94-42,296.10-17,037.51

Finding the Fourth Proportional to 30,647.94, 42,296.10 and 17,037.51

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Solution

The fourth proportional to 30,647.94, 42,296.10 and 17,037.51 is: 23,512.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,647.94 : 42,296.10 = 17,037.51 : x
  2. Step 2: Convert to fraction form
    30,647.94/42,296.10 = 17,037.51/x
  3. Step 3: Cross multiply
    30,647.94x = 42,296.10 × 17,037.51
  4. Step 4: Simplify right side
    30,647.94x = 720,620,226.71
  5. Step 5: Solve for x
    x = 720,620,226.71/30,647.94
  6. Step 6: Final answer
    x = 23,512.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.