Home / 45,557.60-68,346.41-13,971.98

Finding the Fourth Proportional to 45,557.60, 68,346.41 and 13,971.98

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Solution

The fourth proportional to 45,557.60, 68,346.41 and 13,971.98 is: 20,961.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,557.60 : 68,346.41 = 13,971.98 : x
  2. Step 2: Convert to fraction form
    45,557.60/68,346.41 = 13,971.98/x
  3. Step 3: Cross multiply
    45,557.60x = 68,346.41 × 13,971.98
  4. Step 4: Simplify right side
    45,557.60x = 954,934,774.60
  5. Step 5: Solve for x
    x = 954,934,774.60/45,557.60
  6. Step 6: Final answer
    x = 20,961.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.