Home / 30,765.42-46,158.87-9,708.72

Finding the Fourth Proportional to 30,765.42, 46,158.87 and 9,708.72

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Solution

The fourth proportional to 30,765.42, 46,158.87 and 9,708.72 is: 14,566.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,765.42 : 46,158.87 = 9,708.72 : x
  2. Step 2: Convert to fraction form
    30,765.42/46,158.87 = 9,708.72/x
  3. Step 3: Cross multiply
    30,765.42x = 46,158.87 × 9,708.72
  4. Step 4: Simplify right side
    30,765.42x = 448,143,544.35
  5. Step 5: Solve for x
    x = 448,143,544.35/30,765.42
  6. Step 6: Final answer
    x = 14,566.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.