Home / 29,077.19-40,128.55-19,533.02

Finding the Fourth Proportional to 29,077.19, 40,128.55 and 19,533.02

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Solution

The fourth proportional to 29,077.19, 40,128.55 and 19,533.02 is: 26,956.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,077.19 : 40,128.55 = 19,533.02 : x
  2. Step 2: Convert to fraction form
    29,077.19/40,128.55 = 19,533.02/x
  3. Step 3: Cross multiply
    29,077.19x = 40,128.55 × 19,533.02
  4. Step 4: Simplify right side
    29,077.19x = 783,831,520.25
  5. Step 5: Solve for x
    x = 783,831,520.25/29,077.19
  6. Step 6: Final answer
    x = 26,956.92

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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.