Home / 29,145.84-40,208.52-18,529.80

Finding the Fourth Proportional to 29,145.84, 40,208.52 and 18,529.80

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Solution

The fourth proportional to 29,145.84, 40,208.52 and 18,529.80 is: 25,563.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,145.84 : 40,208.52 = 18,529.80 : x
  2. Step 2: Convert to fraction form
    29,145.84/40,208.52 = 18,529.80/x
  3. Step 3: Cross multiply
    29,145.84x = 40,208.52 × 18,529.80
  4. Step 4: Simplify right side
    29,145.84x = 745,055,833.90
  5. Step 5: Solve for x
    x = 745,055,833.90/29,145.84
  6. Step 6: Final answer
    x = 25,563.02

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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.