Home / 30,756.11-46,134.20-8,570.08

Finding the Fourth Proportional to 30,756.11, 46,134.20 and 8,570.08

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Solution

The fourth proportional to 30,756.11, 46,134.20 and 8,570.08 is: 12,855.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,756.11 : 46,134.20 = 8,570.08 : x
  2. Step 2: Convert to fraction form
    30,756.11/46,134.20 = 8,570.08/x
  3. Step 3: Cross multiply
    30,756.11x = 46,134.20 × 8,570.08
  4. Step 4: Simplify right side
    30,756.11x = 395,373,673.82
  5. Step 5: Solve for x
    x = 395,373,673.82/30,756.11
  6. Step 6: Final answer
    x = 12,855.13

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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.