Home / 30,718.08-46,077.12-8,530.56

Finding the Fourth Proportional to 30,718.08, 46,077.12 and 8,530.56

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Solution

The fourth proportional to 30,718.08, 46,077.12 and 8,530.56 is: 12,795.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,718.08 : 46,077.12 = 8,530.56 : x
  2. Step 2: Convert to fraction form
    30,718.08/46,077.12 = 8,530.56/x
  3. Step 3: Cross multiply
    30,718.08x = 46,077.12 × 8,530.56
  4. Step 4: Simplify right side
    30,718.08x = 393,063,636.79
  5. Step 5: Solve for x
    x = 393,063,636.79/30,718.08
  6. Step 6: Final answer
    x = 12,795.84

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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.