Home / 30,285.47-41,793.63-16,856.53

Finding the Fourth Proportional to 30,285.47, 41,793.63 and 16,856.53

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Solution

The fourth proportional to 30,285.47, 41,793.63 and 16,856.53 is: 23,261.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,285.47 : 41,793.63 = 16,856.53 : x
  2. Step 2: Convert to fraction form
    30,285.47/41,793.63 = 16,856.53/x
  3. Step 3: Cross multiply
    30,285.47x = 41,793.63 × 16,856.53
  4. Step 4: Simplify right side
    30,285.47x = 704,495,577.90
  5. Step 5: Solve for x
    x = 704,495,577.90/30,285.47
  6. Step 6: Final answer
    x = 23,261.83

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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.