Home / 29,089.28-40,142.13-17,777.70

Finding the Fourth Proportional to 29,089.28, 40,142.13 and 17,777.70

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Solution

The fourth proportional to 29,089.28, 40,142.13 and 17,777.70 is: 24,532.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,089.28 : 40,142.13 = 17,777.70 : x
  2. Step 2: Convert to fraction form
    29,089.28/40,142.13 = 17,777.70/x
  3. Step 3: Cross multiply
    29,089.28x = 40,142.13 × 17,777.70
  4. Step 4: Simplify right side
    29,089.28x = 713,634,744.50
  5. Step 5: Solve for x
    x = 713,634,744.50/29,089.28
  6. Step 6: Final answer
    x = 24,532.57

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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.