Home / 51,869.77-71,581.93-30,361.64

Finding the Fourth Proportional to 51,869.77, 71,581.93 and 30,361.64

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Solution

The fourth proportional to 51,869.77, 71,581.93 and 30,361.64 is: 41,900.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,869.77 : 71,581.93 = 30,361.64 : x
  2. Step 2: Convert to fraction form
    51,869.77/71,581.93 = 30,361.64/x
  3. Step 3: Cross multiply
    51,869.77x = 71,581.93 × 30,361.64
  4. Step 4: Simplify right side
    51,869.77x = 2,173,344,355.35
  5. Step 5: Solve for x
    x = 2,173,344,355.35/51,869.77
  6. Step 6: Final answer
    x = 41,900.02

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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.