Home / 29,008.90-43,517.40-12,368.80

Finding the Fourth Proportional to 29,008.90, 43,517.40 and 12,368.80

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Solution

The fourth proportional to 29,008.90, 43,517.40 and 12,368.80 is: 18,554.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,008.90 : 43,517.40 = 12,368.80 : x
  2. Step 2: Convert to fraction form
    29,008.90/43,517.40 = 12,368.80/x
  3. Step 3: Cross multiply
    29,008.90x = 43,517.40 × 12,368.80
  4. Step 4: Simplify right side
    29,008.90x = 538,258,017.12
  5. Step 5: Solve for x
    x = 538,258,017.12/29,008.90
  6. Step 6: Final answer
    x = 18,554.93

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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.