Home / 30,442.22-42,010-17,013.32

Finding the Fourth Proportional to 30,442.22, 42,010 and 17,013.32

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Solution

The fourth proportional to 30,442.22, 42,010 and 17,013.32 is: 23,478.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,442.22 : 42,010 = 17,013.32 : x
  2. Step 2: Convert to fraction form
    30,442.22/42,010 = 17,013.32/x
  3. Step 3: Cross multiply
    30,442.22x = 42,010 × 17,013.32
  4. Step 4: Simplify right side
    30,442.22x = 714,729,573.20
  5. Step 5: Solve for x
    x = 714,729,573.20/30,442.22
  6. Step 6: Final answer
    x = 23,478.23

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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.