Home / 30,903.48-46,357.06-8,718.74

Finding the Fourth Proportional to 30,903.48, 46,357.06 and 8,718.74

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Solution

The fourth proportional to 30,903.48, 46,357.06 and 8,718.74 is: 13,078.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,903.48 : 46,357.06 = 8,718.74 : x
  2. Step 2: Convert to fraction form
    30,903.48/46,357.06 = 8,718.74/x
  3. Step 3: Cross multiply
    30,903.48x = 46,357.06 × 8,718.74
  4. Step 4: Simplify right side
    30,903.48x = 404,175,153.30
  5. Step 5: Solve for x
    x = 404,175,153.30/30,903.48
  6. Step 6: Final answer
    x = 13,078.63

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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.