Home / 29,064.94-40,121.81-19,646.26

Finding the Fourth Proportional to 29,064.94, 40,121.81 and 19,646.26

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Solution

The fourth proportional to 29,064.94, 40,121.81 and 19,646.26 is: 27,120.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,064.94 : 40,121.81 = 19,646.26 : x
  2. Step 2: Convert to fraction form
    29,064.94/40,121.81 = 19,646.26/x
  3. Step 3: Cross multiply
    29,064.94x = 40,121.81 × 19,646.26
  4. Step 4: Simplify right side
    29,064.94x = 788,243,510.93
  5. Step 5: Solve for x
    x = 788,243,510.93/29,064.94
  6. Step 6: Final answer
    x = 27,120.08

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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.