Home / 30,072.64-45,022.56-22,642.24

Finding the Fourth Proportional to 30,072.64, 45,022.56 and 22,642.24

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Solution

The fourth proportional to 30,072.64, 45,022.56 and 22,642.24 is: 33,898.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,072.64 : 45,022.56 = 22,642.24 : x
  2. Step 2: Convert to fraction form
    30,072.64/45,022.56 = 22,642.24/x
  3. Step 3: Cross multiply
    30,072.64x = 45,022.56 × 22,642.24
  4. Step 4: Simplify right side
    30,072.64x = 1,019,411,608.93
  5. Step 5: Solve for x
    x = 1,019,411,608.93/30,072.64
  6. Step 6: Final answer
    x = 33,898.31

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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.