Home / 30,554.36-42,160.74-17,124.56

Finding the Fourth Proportional to 30,554.36, 42,160.74 and 17,124.56

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Solution

The fourth proportional to 30,554.36, 42,160.74 and 17,124.56 is: 23,629.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,554.36 : 42,160.74 = 17,124.56 : x
  2. Step 2: Convert to fraction form
    30,554.36/42,160.74 = 17,124.56/x
  3. Step 3: Cross multiply
    30,554.36x = 42,160.74 × 17,124.56
  4. Step 4: Simplify right side
    30,554.36x = 721,984,121.77
  5. Step 5: Solve for x
    x = 721,984,121.77/30,554.36
  6. Step 6: Final answer
    x = 23,629.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.