Home / 30,444.08-42,012.70-17,015.34

Finding the Fourth Proportional to 30,444.08, 42,012.70 and 17,015.34

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Solution

The fourth proportional to 30,444.08, 42,012.70 and 17,015.34 is: 23,481.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,444.08 : 42,012.70 = 17,015.34 : x
  2. Step 2: Convert to fraction form
    30,444.08/42,012.70 = 17,015.34/x
  3. Step 3: Cross multiply
    30,444.08x = 42,012.70 × 17,015.34
  4. Step 4: Simplify right side
    30,444.08x = 714,860,374.82
  5. Step 5: Solve for x
    x = 714,860,374.82/30,444.08
  6. Step 6: Final answer
    x = 23,481.10

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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.