Home / 30,446.28-45,670.23-10,720.35

Finding the Fourth Proportional to 30,446.28, 45,670.23 and 10,720.35

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Solution

The fourth proportional to 30,446.28, 45,670.23 and 10,720.35 is: 16,080.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,446.28 : 45,670.23 = 10,720.35 : x
  2. Step 2: Convert to fraction form
    30,446.28/45,670.23 = 10,720.35/x
  3. Step 3: Cross multiply
    30,446.28x = 45,670.23 × 10,720.35
  4. Step 4: Simplify right side
    30,446.28x = 489,600,850.18
  5. Step 5: Solve for x
    x = 489,600,850.18/30,446.28
  6. Step 6: Final answer
    x = 16,080.81

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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.