Home / 29,212.56-40,311-17,276.40

Finding the Fourth Proportional to 29,212.56, 40,311 and 17,276.40

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Solution

The fourth proportional to 29,212.56, 40,311 and 17,276.40 is: 23,840.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,212.56 : 40,311 = 17,276.40 : x
  2. Step 2: Convert to fraction form
    29,212.56/40,311 = 17,276.40/x
  3. Step 3: Cross multiply
    29,212.56x = 40,311 × 17,276.40
  4. Step 4: Simplify right side
    29,212.56x = 696,428,960.40
  5. Step 5: Solve for x
    x = 696,428,960.40/29,212.56
  6. Step 6: Final answer
    x = 23,840.05

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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.