Home / 30,858.80-46,260.48-11,132.72

Finding the Fourth Proportional to 30,858.80, 46,260.48 and 11,132.72

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Solution

The fourth proportional to 30,858.80, 46,260.48 and 11,132.72 is: 16,689.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,858.80 : 46,260.48 = 11,132.72 : x
  2. Step 2: Convert to fraction form
    30,858.80/46,260.48 = 11,132.72/x
  3. Step 3: Cross multiply
    30,858.80x = 46,260.48 × 11,132.72
  4. Step 4: Simplify right side
    30,858.80x = 515,004,970.91
  5. Step 5: Solve for x
    x = 515,004,970.91/30,858.80
  6. Step 6: Final answer
    x = 16,689.08

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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.