Home / 30,968.12-46,445.20-14,319.05

Finding the Fourth Proportional to 30,968.12, 46,445.20 and 14,319.05

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Solution

The fourth proportional to 30,968.12, 46,445.20 and 14,319.05 is: 21,475.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,968.12 : 46,445.20 = 14,319.05 : x
  2. Step 2: Convert to fraction form
    30,968.12/46,445.20 = 14,319.05/x
  3. Step 3: Cross multiply
    30,968.12x = 46,445.20 × 14,319.05
  4. Step 4: Simplify right side
    30,968.12x = 665,050,873.04
  5. Step 5: Solve for x
    x = 665,050,873.04/30,968.12
  6. Step 6: Final answer
    x = 21,475.34

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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.