Home / 29,278.83-40,377.13-19,216.00

Finding the Fourth Proportional to 29,278.83, 40,377.13 and 19,216.00

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Solution

The fourth proportional to 29,278.83, 40,377.13 and 19,216.00 is: 26,499.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,278.83 : 40,377.13 = 19,216.00 : x
  2. Step 2: Convert to fraction form
    29,278.83/40,377.13 = 19,216.00/x
  3. Step 3: Cross multiply
    29,278.83x = 40,377.13 × 19,216.00
  4. Step 4: Simplify right side
    29,278.83x = 775,887,040.60
  5. Step 5: Solve for x
    x = 775,887,040.60/29,278.83
  6. Step 6: Final answer
    x = 26,499.93

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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.