Home / 30,285.10-41,793.02-16,856.36

Finding the Fourth Proportional to 30,285.10, 41,793.02 and 16,856.36

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Solution

The fourth proportional to 30,285.10, 41,793.02 and 16,856.36 is: 23,261.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,285.10 : 41,793.02 = 16,856.36 : x
  2. Step 2: Convert to fraction form
    30,285.10/41,793.02 = 16,856.36/x
  3. Step 3: Cross multiply
    30,285.10x = 41,793.02 × 16,856.36
  4. Step 4: Simplify right side
    30,285.10x = 704,478,001.84
  5. Step 5: Solve for x
    x = 704,478,001.84/30,285.10
  6. Step 6: Final answer
    x = 23,261.54

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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.