Home / 30,904.20-46,306.80-30,084.12

Finding the Fourth Proportional to 30,904.20, 46,306.80 and 30,084.12

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Solution

The fourth proportional to 30,904.20, 46,306.80 and 30,084.12 is: 45,077.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,904.20 : 46,306.80 = 30,084.12 : x
  2. Step 2: Convert to fraction form
    30,904.20/46,306.80 = 30,084.12/x
  3. Step 3: Cross multiply
    30,904.20x = 46,306.80 × 30,084.12
  4. Step 4: Simplify right side
    30,904.20x = 1,393,099,328.02
  5. Step 5: Solve for x
    x = 1,393,099,328.02/30,904.20
  6. Step 6: Final answer
    x = 45,077.99

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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.