Home / 29,390.36-40,548.74-19,318.01

Finding the Fourth Proportional to 29,390.36, 40,548.74 and 19,318.01

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Solution

The fourth proportional to 29,390.36, 40,548.74 and 19,318.01 is: 26,652.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,390.36 : 40,548.74 = 19,318.01 : x
  2. Step 2: Convert to fraction form
    29,390.36/40,548.74 = 19,318.01/x
  3. Step 3: Cross multiply
    29,390.36x = 40,548.74 × 19,318.01
  4. Step 4: Simplify right side
    29,390.36x = 783,320,665.47
  5. Step 5: Solve for x
    x = 783,320,665.47/29,390.36
  6. Step 6: Final answer
    x = 26,652.30

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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.