Home / 30,382.90-45,808.15-29,838.58

Finding the Fourth Proportional to 30,382.90, 45,808.15 and 29,838.58

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Solution

The fourth proportional to 30,382.90, 45,808.15 and 29,838.58 is: 44,987.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,382.90 : 45,808.15 = 29,838.58 : x
  2. Step 2: Convert to fraction form
    30,382.90/45,808.15 = 29,838.58/x
  3. Step 3: Cross multiply
    30,382.90x = 45,808.15 × 29,838.58
  4. Step 4: Simplify right side
    30,382.90x = 1,366,850,148.43
  5. Step 5: Solve for x
    x = 1,366,850,148.43/30,382.90
  6. Step 6: Final answer
    x = 44,987.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.