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Finding the Fourth Proportional to 29,643.54, 44,480.65 and 13,015.25

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Solution

The fourth proportional to 29,643.54, 44,480.65 and 13,015.25 is: 19,529.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,643.54 : 44,480.65 = 13,015.25 : x
  2. Step 2: Convert to fraction form
    29,643.54/44,480.65 = 13,015.25/x
  3. Step 3: Cross multiply
    29,643.54x = 44,480.65 × 13,015.25
  4. Step 4: Simplify right side
    29,643.54x = 578,926,779.91
  5. Step 5: Solve for x
    x = 578,926,779.91/29,643.54
  6. Step 6: Final answer
    x = 19,529.61

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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.