Home / 30,415.52-41,983.44-17,840

Finding the Fourth Proportional to 30,415.52, 41,983.44 and 17,840

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Solution

The fourth proportional to 30,415.52, 41,983.44 and 17,840 is: 24,625.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,415.52 : 41,983.44 = 17,840 : x
  2. Step 2: Convert to fraction form
    30,415.52/41,983.44 = 17,840/x
  3. Step 3: Cross multiply
    30,415.52x = 41,983.44 × 17,840
  4. Step 4: Simplify right side
    30,415.52x = 748,984,569.60
  5. Step 5: Solve for x
    x = 748,984,569.60/30,415.52
  6. Step 6: Final answer
    x = 24,625.08

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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.