Home / 50,646.87-69,871.61-30,493.67

Finding the Fourth Proportional to 50,646.87, 69,871.61 and 30,493.67

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Solution

The fourth proportional to 50,646.87, 69,871.61 and 30,493.67 is: 42,068.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,646.87 : 69,871.61 = 30,493.67 : x
  2. Step 2: Convert to fraction form
    50,646.87/69,871.61 = 30,493.67/x
  3. Step 3: Cross multiply
    50,646.87x = 69,871.61 × 30,493.67
  4. Step 4: Simplify right side
    50,646.87x = 2,130,641,544.58
  5. Step 5: Solve for x
    x = 2,130,641,544.58/50,646.87
  6. Step 6: Final answer
    x = 42,068.57

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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.