Home / 30,442.22-42,010.16-17,013.47

Finding the Fourth Proportional to 30,442.22, 42,010.16 and 17,013.47

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Solution

The fourth proportional to 30,442.22, 42,010.16 and 17,013.47 is: 23,478.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,442.22 : 42,010.16 = 17,013.47 : x
  2. Step 2: Convert to fraction form
    30,442.22/42,010.16 = 17,013.47/x
  3. Step 3: Cross multiply
    30,442.22x = 42,010.16 × 17,013.47
  4. Step 4: Simplify right side
    30,442.22x = 714,738,301.74
  5. Step 5: Solve for x
    x = 714,738,301.74/30,442.22
  6. Step 6: Final answer
    x = 23,478.52

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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.