Home / 30,090.68-45,110.10-14,519.24

Finding the Fourth Proportional to 30,090.68, 45,110.10 and 14,519.24

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Solution

The fourth proportional to 30,090.68, 45,110.10 and 14,519.24 is: 21,766.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,090.68 : 45,110.10 = 14,519.24 : x
  2. Step 2: Convert to fraction form
    30,090.68/45,110.10 = 14,519.24/x
  3. Step 3: Cross multiply
    30,090.68x = 45,110.10 × 14,519.24
  4. Step 4: Simplify right side
    30,090.68x = 654,964,368.32
  5. Step 5: Solve for x
    x = 654,964,368.32/30,090.68
  6. Step 6: Final answer
    x = 21,766.35

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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.