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Finding the Fourth Proportional to 30,477.93, 45,716.91 and 20,014.05

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Solution

The fourth proportional to 30,477.93, 45,716.91 and 20,014.05 is: 30,021.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,477.93 : 45,716.91 = 20,014.05 : x
  2. Step 2: Convert to fraction form
    30,477.93/45,716.91 = 20,014.05/x
  3. Step 3: Cross multiply
    30,477.93x = 45,716.91 × 20,014.05
  4. Step 4: Simplify right side
    30,477.93x = 914,980,522.59
  5. Step 5: Solve for x
    x = 914,980,522.59/30,477.93
  6. Step 6: Final answer
    x = 30,021.08

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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.