Home / 29,124.15-40,206.96-19,579.38

Finding the Fourth Proportional to 29,124.15, 40,206.96 and 19,579.38

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Solution

The fourth proportional to 29,124.15, 40,206.96 and 19,579.38 is: 27,030.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,124.15 : 40,206.96 = 19,579.38 : x
  2. Step 2: Convert to fraction form
    29,124.15/40,206.96 = 19,579.38/x
  3. Step 3: Cross multiply
    29,124.15x = 40,206.96 × 19,579.38
  4. Step 4: Simplify right side
    29,124.15x = 787,227,348.48
  5. Step 5: Solve for x
    x = 787,227,348.48/29,124.15
  6. Step 6: Final answer
    x = 27,030.05

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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.