Home / 30,266.54-45,342.57-17,128.34

Finding the Fourth Proportional to 30,266.54, 45,342.57 and 17,128.34

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Solution

The fourth proportional to 30,266.54, 45,342.57 and 17,128.34 is: 25,660.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,266.54 : 45,342.57 = 17,128.34 : x
  2. Step 2: Convert to fraction form
    30,266.54/45,342.57 = 17,128.34/x
  3. Step 3: Cross multiply
    30,266.54x = 45,342.57 × 17,128.34
  4. Step 4: Simplify right side
    30,266.54x = 776,642,955.43
  5. Step 5: Solve for x
    x = 776,642,955.43/30,266.54
  6. Step 6: Final answer
    x = 25,660.12

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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.