Home / 51,771.96-71,441.28-29,106.72

Finding the Fourth Proportional to 51,771.96, 71,441.28 and 29,106.72

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Solution

The fourth proportional to 51,771.96, 71,441.28 and 29,106.72 is: 40,165.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,771.96 : 71,441.28 = 29,106.72 : x
  2. Step 2: Convert to fraction form
    51,771.96/71,441.28 = 29,106.72/x
  3. Step 3: Cross multiply
    51,771.96x = 71,441.28 × 29,106.72
  4. Step 4: Simplify right side
    51,771.96x = 2,079,421,333.40
  5. Step 5: Solve for x
    x = 2,079,421,333.40/51,771.96
  6. Step 6: Final answer
    x = 40,165.01

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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.