Home / 30,955.12-46,428.44-8,770.16

Finding the Fourth Proportional to 30,955.12, 46,428.44 and 8,770.16

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Solution

The fourth proportional to 30,955.12, 46,428.44 and 8,770.16 is: 13,154.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,955.12 : 46,428.44 = 8,770.16 : x
  2. Step 2: Convert to fraction form
    30,955.12/46,428.44 = 8,770.16/x
  3. Step 3: Cross multiply
    30,955.12x = 46,428.44 × 8,770.16
  4. Step 4: Simplify right side
    30,955.12x = 407,184,847.35
  5. Step 5: Solve for x
    x = 407,184,847.35/30,955.12
  6. Step 6: Final answer
    x = 13,154.04

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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.