Home / 30,442.08-42,009.94-17,013.33

Finding the Fourth Proportional to 30,442.08, 42,009.94 and 17,013.33

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Solution

The fourth proportional to 30,442.08, 42,009.94 and 17,013.33 is: 23,478.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,442.08 : 42,009.94 = 17,013.33 : x
  2. Step 2: Convert to fraction form
    30,442.08/42,009.94 = 17,013.33/x
  3. Step 3: Cross multiply
    30,442.08x = 42,009.94 × 17,013.33
  4. Step 4: Simplify right side
    30,442.08x = 714,728,972.50
  5. Step 5: Solve for x
    x = 714,728,972.50/30,442.08
  6. Step 6: Final answer
    x = 23,478.32

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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.