Home / 30,243.36-45,345.04-14,450.72

Finding the Fourth Proportional to 30,243.36, 45,345.04 and 14,450.72

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Solution

The fourth proportional to 30,243.36, 45,345.04 and 14,450.72 is: 21,666.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,243.36 : 45,345.04 = 14,450.72 : x
  2. Step 2: Convert to fraction form
    30,243.36/45,345.04 = 14,450.72/x
  3. Step 3: Cross multiply
    30,243.36x = 45,345.04 × 14,450.72
  4. Step 4: Simplify right side
    30,243.36x = 655,268,476.43
  5. Step 5: Solve for x
    x = 655,268,476.43/30,243.36
  6. Step 6: Final answer
    x = 21,666.52

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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.