Home / 30,830.16-46,158.96-19,708.88

Finding the Fourth Proportional to 30,830.16, 46,158.96 and 19,708.88

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Solution

The fourth proportional to 30,830.16, 46,158.96 and 19,708.88 is: 29,508.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,830.16 : 46,158.96 = 19,708.88 : x
  2. Step 2: Convert to fraction form
    30,830.16/46,158.96 = 19,708.88/x
  3. Step 3: Cross multiply
    30,830.16x = 46,158.96 × 19,708.88
  4. Step 4: Simplify right side
    30,830.16x = 909,741,403.56
  5. Step 5: Solve for x
    x = 909,741,403.56/30,830.16
  6. Step 6: Final answer
    x = 29,508.16

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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.