Home / 30,444.54-42,013.29-17,015.77

Finding the Fourth Proportional to 30,444.54, 42,013.29 and 17,015.77

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Solution

The fourth proportional to 30,444.54, 42,013.29 and 17,015.77 is: 23,481.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,444.54 : 42,013.29 = 17,015.77 : x
  2. Step 2: Convert to fraction form
    30,444.54/42,013.29 = 17,015.77/x
  3. Step 3: Cross multiply
    30,444.54x = 42,013.29 × 17,015.77
  4. Step 4: Simplify right side
    30,444.54x = 714,888,479.58
  5. Step 5: Solve for x
    x = 714,888,479.58/30,444.54
  6. Step 6: Final answer
    x = 23,481.66

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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.