Home / 30,808.28-45,989.56-27,071.60

Finding the Fourth Proportional to 30,808.28, 45,989.56 and 27,071.60

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Solution

The fourth proportional to 30,808.28, 45,989.56 and 27,071.60 is: 40,411.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,808.28 : 45,989.56 = 27,071.60 : x
  2. Step 2: Convert to fraction form
    30,808.28/45,989.56 = 27,071.60/x
  3. Step 3: Cross multiply
    30,808.28x = 45,989.56 × 27,071.60
  4. Step 4: Simplify right side
    30,808.28x = 1,245,010,972.50
  5. Step 5: Solve for x
    x = 1,245,010,972.50/30,808.28
  6. Step 6: Final answer
    x = 40,411.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.