Home / 30,261.09-45,398.93-9,484.59

Finding the Fourth Proportional to 30,261.09, 45,398.93 and 9,484.59

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Solution

The fourth proportional to 30,261.09, 45,398.93 and 9,484.59 is: 14,229.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,261.09 : 45,398.93 = 9,484.59 : x
  2. Step 2: Convert to fraction form
    30,261.09/45,398.93 = 9,484.59/x
  3. Step 3: Cross multiply
    30,261.09x = 45,398.93 × 9,484.59
  4. Step 4: Simplify right side
    30,261.09x = 430,590,413.66
  5. Step 5: Solve for x
    x = 430,590,413.66/30,261.09
  6. Step 6: Final answer
    x = 14,229.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.