Home / 50,486.48-69,671.40-29,278.07

Finding the Fourth Proportional to 50,486.48, 69,671.40 and 29,278.07

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Solution

The fourth proportional to 50,486.48, 69,671.40 and 29,278.07 is: 40,403.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,486.48 : 69,671.40 = 29,278.07 : x
  2. Step 2: Convert to fraction form
    50,486.48/69,671.40 = 29,278.07/x
  3. Step 3: Cross multiply
    50,486.48x = 69,671.40 × 29,278.07
  4. Step 4: Simplify right side
    50,486.48x = 2,039,844,126.20
  5. Step 5: Solve for x
    x = 2,039,844,126.20/50,486.48
  6. Step 6: Final answer
    x = 40,403.77

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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.