Home / 30,577.24-45,867.23-8,390.13

Finding the Fourth Proportional to 30,577.24, 45,867.23 and 8,390.13

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Solution

The fourth proportional to 30,577.24, 45,867.23 and 8,390.13 is: 12,585.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,577.24 : 45,867.23 = 8,390.13 : x
  2. Step 2: Convert to fraction form
    30,577.24/45,867.23 = 8,390.13/x
  3. Step 3: Cross multiply
    30,577.24x = 45,867.23 × 8,390.13
  4. Step 4: Simplify right side
    30,577.24x = 384,832,022.44
  5. Step 5: Solve for x
    x = 384,832,022.44/30,577.24
  6. Step 6: Final answer
    x = 12,585.57

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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.