Home / 30,908.16-46,355.75-8,715.59

Finding the Fourth Proportional to 30,908.16, 46,355.75 and 8,715.59

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Solution

The fourth proportional to 30,908.16, 46,355.75 and 8,715.59 is: 13,071.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,908.16 : 46,355.75 = 8,715.59 : x
  2. Step 2: Convert to fraction form
    30,908.16/46,355.75 = 8,715.59/x
  3. Step 3: Cross multiply
    30,908.16x = 46,355.75 × 8,715.59
  4. Step 4: Simplify right side
    30,908.16x = 404,017,435.79
  5. Step 5: Solve for x
    x = 404,017,435.79/30,908.16
  6. Step 6: Final answer
    x = 13,071.55

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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.