Home / 30,840.04-46,261.77-9,778.59

Finding the Fourth Proportional to 30,840.04, 46,261.77 and 9,778.59

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Solution

The fourth proportional to 30,840.04, 46,261.77 and 9,778.59 is: 14,668.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,840.04 : 46,261.77 = 9,778.59 : x
  2. Step 2: Convert to fraction form
    30,840.04/46,261.77 = 9,778.59/x
  3. Step 3: Cross multiply
    30,840.04x = 46,261.77 × 9,778.59
  4. Step 4: Simplify right side
    30,840.04x = 452,374,881.50
  5. Step 5: Solve for x
    x = 452,374,881.50/30,840.04
  6. Step 6: Final answer
    x = 14,668.43

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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.