Home / 29,103.26-40,130.71-19,655.42

Finding the Fourth Proportional to 29,103.26, 40,130.71 and 19,655.42

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Solution

The fourth proportional to 29,103.26, 40,130.71 and 19,655.42 is: 27,103.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,103.26 : 40,130.71 = 19,655.42 : x
  2. Step 2: Convert to fraction form
    29,103.26/40,130.71 = 19,655.42/x
  3. Step 3: Cross multiply
    29,103.26x = 40,130.71 × 19,655.42
  4. Step 4: Simplify right side
    29,103.26x = 788,785,710.16
  5. Step 5: Solve for x
    x = 788,785,710.16/29,103.26
  6. Step 6: Final answer
    x = 27,103.01

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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.