Home / 29,038.85-40,067.51-18,982.10

Finding the Fourth Proportional to 29,038.85, 40,067.51 and 18,982.10

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Solution

The fourth proportional to 29,038.85, 40,067.51 and 18,982.10 is: 26,191.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,038.85 : 40,067.51 = 18,982.10 : x
  2. Step 2: Convert to fraction form
    29,038.85/40,067.51 = 18,982.10/x
  3. Step 3: Cross multiply
    29,038.85x = 40,067.51 × 18,982.10
  4. Step 4: Simplify right side
    29,038.85x = 760,565,368.22
  5. Step 5: Solve for x
    x = 760,565,368.22/29,038.85
  6. Step 6: Final answer
    x = 26,191.30

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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.