Home / 30,453.57-42,026.51-17,025.80

Finding the Fourth Proportional to 30,453.57, 42,026.51 and 17,025.80

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Solution

The fourth proportional to 30,453.57, 42,026.51 and 17,025.80 is: 23,495.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,453.57 : 42,026.51 = 17,025.80 : x
  2. Step 2: Convert to fraction form
    30,453.57/42,026.51 = 17,025.80/x
  3. Step 3: Cross multiply
    30,453.57x = 42,026.51 × 17,025.80
  4. Step 4: Simplify right side
    30,453.57x = 715,534,786.39
  5. Step 5: Solve for x
    x = 715,534,786.39/30,453.57
  6. Step 6: Final answer
    x = 23,495.92

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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.