Home / 30,813.36-46,216.47-8,628.51

Finding the Fourth Proportional to 30,813.36, 46,216.47 and 8,628.51

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Solution

The fourth proportional to 30,813.36, 46,216.47 and 8,628.51 is: 12,941.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,813.36 : 46,216.47 = 8,628.51 : x
  2. Step 2: Convert to fraction form
    30,813.36/46,216.47 = 8,628.51/x
  3. Step 3: Cross multiply
    30,813.36x = 46,216.47 × 8,628.51
  4. Step 4: Simplify right side
    30,813.36x = 398,779,273.56
  5. Step 5: Solve for x
    x = 398,779,273.56/30,813.36
  6. Step 6: Final answer
    x = 12,941.77

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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.