Home / 30,528.07-42,128.24-17,099.29

Finding the Fourth Proportional to 30,528.07, 42,128.24 and 17,099.29

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Solution

The fourth proportional to 30,528.07, 42,128.24 and 17,099.29 is: 23,596.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,528.07 : 42,128.24 = 17,099.29 : x
  2. Step 2: Convert to fraction form
    30,528.07/42,128.24 = 17,099.29/x
  3. Step 3: Cross multiply
    30,528.07x = 42,128.24 × 17,099.29
  4. Step 4: Simplify right side
    30,528.07x = 720,362,992.95
  5. Step 5: Solve for x
    x = 720,362,992.95/30,528.07
  6. Step 6: Final answer
    x = 23,596.74

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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.