Home / 38,919.95-53,690.89-37,411.07

Finding the Fourth Proportional to 38,919.95, 53,690.89 and 37,411.07

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Solution

The fourth proportional to 38,919.95, 53,690.89 and 37,411.07 is: 51,609.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,919.95 : 53,690.89 = 37,411.07 : x
  2. Step 2: Convert to fraction form
    38,919.95/53,690.89 = 37,411.07/x
  3. Step 3: Cross multiply
    38,919.95x = 53,690.89 × 37,411.07
  4. Step 4: Simplify right side
    38,919.95x = 2,008,633,825.14
  5. Step 5: Solve for x
    x = 2,008,633,825.14/38,919.95
  6. Step 6: Final answer
    x = 51,609.36

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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.