Home / 30,444.22-42,012.76-17,015.32

Finding the Fourth Proportional to 30,444.22, 42,012.76 and 17,015.32

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Solution

The fourth proportional to 30,444.22, 42,012.76 and 17,015.32 is: 23,480.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,444.22 : 42,012.76 = 17,015.32 : x
  2. Step 2: Convert to fraction form
    30,444.22/42,012.76 = 17,015.32/x
  3. Step 3: Cross multiply
    30,444.22x = 42,012.76 × 17,015.32
  4. Step 4: Simplify right side
    30,444.22x = 714,860,555.48
  5. Step 5: Solve for x
    x = 714,860,555.48/30,444.22
  6. Step 6: Final answer
    x = 23,480.99

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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.