Home / 30,484.89-42,065.12-17,054.69

Finding the Fourth Proportional to 30,484.89, 42,065.12 and 17,054.69

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Solution

The fourth proportional to 30,484.89, 42,065.12 and 17,054.69 is: 23,533.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,484.89 : 42,065.12 = 17,054.69 : x
  2. Step 2: Convert to fraction form
    30,484.89/42,065.12 = 17,054.69/x
  3. Step 3: Cross multiply
    30,484.89x = 42,065.12 × 17,054.69
  4. Step 4: Simplify right side
    30,484.89x = 717,407,413.72
  5. Step 5: Solve for x
    x = 717,407,413.72/30,484.89
  6. Step 6: Final answer
    x = 23,533.21

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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.