Home / 30,851.08-46,276.21-7,477.72

Finding the Fourth Proportional to 30,851.08, 46,276.21 and 7,477.72

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Solution

The fourth proportional to 30,851.08, 46,276.21 and 7,477.72 is: 11,216.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,851.08 : 46,276.21 = 7,477.72 : x
  2. Step 2: Convert to fraction form
    30,851.08/46,276.21 = 7,477.72/x
  3. Step 3: Cross multiply
    30,851.08x = 46,276.21 × 7,477.72
  4. Step 4: Simplify right side
    30,851.08x = 346,040,434.70
  5. Step 5: Solve for x
    x = 346,040,434.70/30,851.08
  6. Step 6: Final answer
    x = 11,216.48

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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.