Home / 30,255.17-41,753.29-16,827.40

Finding the Fourth Proportional to 30,255.17, 41,753.29 and 16,827.40

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Solution

The fourth proportional to 30,255.17, 41,753.29 and 16,827.40 is: 23,222.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,255.17 : 41,753.29 = 16,827.40 : x
  2. Step 2: Convert to fraction form
    30,255.17/41,753.29 = 16,827.40/x
  3. Step 3: Cross multiply
    30,255.17x = 41,753.29 × 16,827.40
  4. Step 4: Simplify right side
    30,255.17x = 702,599,177.67
  5. Step 5: Solve for x
    x = 702,599,177.67/30,255.17
  6. Step 6: Final answer
    x = 23,222.45

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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.