Home / 50,643.60-69,901.77-29,135.80

Finding the Fourth Proportional to 50,643.60, 69,901.77 and 29,135.80

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Solution

The fourth proportional to 50,643.60, 69,901.77 and 29,135.80 is: 40,215.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,643.60 : 69,901.77 = 29,135.80 : x
  2. Step 2: Convert to fraction form
    50,643.60/69,901.77 = 29,135.80/x
  3. Step 3: Cross multiply
    50,643.60x = 69,901.77 × 29,135.80
  4. Step 4: Simplify right side
    50,643.60x = 2,036,643,990.37
  5. Step 5: Solve for x
    x = 2,036,643,990.37/50,643.60
  6. Step 6: Final answer
    x = 40,215.23

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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.