Home / 30,880.06-46,320.09-7,506.46

Finding the Fourth Proportional to 30,880.06, 46,320.09 and 7,506.46

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Solution

The fourth proportional to 30,880.06, 46,320.09 and 7,506.46 is: 11,259.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,880.06 : 46,320.09 = 7,506.46 : x
  2. Step 2: Convert to fraction form
    30,880.06/46,320.09 = 7,506.46/x
  3. Step 3: Cross multiply
    30,880.06x = 46,320.09 × 7,506.46
  4. Step 4: Simplify right side
    30,880.06x = 347,699,902.78
  5. Step 5: Solve for x
    x = 347,699,902.78/30,880.06
  6. Step 6: Final answer
    x = 11,259.69

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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.