Home / 30,670.21-46,023.18-12,899.59

Finding the Fourth Proportional to 30,670.21, 46,023.18 and 12,899.59

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Solution

The fourth proportional to 30,670.21, 46,023.18 and 12,899.59 is: 19,356.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,670.21 : 46,023.18 = 12,899.59 : x
  2. Step 2: Convert to fraction form
    30,670.21/46,023.18 = 12,899.59/x
  3. Step 3: Cross multiply
    30,670.21x = 46,023.18 × 12,899.59
  4. Step 4: Simplify right side
    30,670.21x = 593,680,152.50
  5. Step 5: Solve for x
    x = 593,680,152.50/30,670.21
  6. Step 6: Final answer
    x = 19,356.90

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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.