Home / 31,048.22-42,845.26-17,619.20

Finding the Fourth Proportional to 31,048.22, 42,845.26 and 17,619.20

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Solution

The fourth proportional to 31,048.22, 42,845.26 and 17,619.20 is: 24,313.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,048.22 : 42,845.26 = 17,619.20 : x
  2. Step 2: Convert to fraction form
    31,048.22/42,845.26 = 17,619.20/x
  3. Step 3: Cross multiply
    31,048.22x = 42,845.26 × 17,619.20
  4. Step 4: Simplify right side
    31,048.22x = 754,899,204.99
  5. Step 5: Solve for x
    x = 754,899,204.99/31,048.22
  6. Step 6: Final answer
    x = 24,313.77

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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.