Home / 29,259.79-40,398.30-19,205.32

Finding the Fourth Proportional to 29,259.79, 40,398.30 and 19,205.32

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Solution

The fourth proportional to 29,259.79, 40,398.30 and 19,205.32 is: 26,516.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,259.79 : 40,398.30 = 19,205.32 : x
  2. Step 2: Convert to fraction form
    29,259.79/40,398.30 = 19,205.32/x
  3. Step 3: Cross multiply
    29,259.79x = 40,398.30 × 19,205.32
  4. Step 4: Simplify right side
    29,259.79x = 775,862,278.96
  5. Step 5: Solve for x
    x = 775,862,278.96/29,259.79
  6. Step 6: Final answer
    x = 26,516.33

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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.