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Finding the Fourth Proportional to 29,603.68, 44,437.12 and 12,745.03

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Solution

The fourth proportional to 29,603.68, 44,437.12 and 12,745.03 is: 19,131.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,603.68 : 44,437.12 = 12,745.03 : x
  2. Step 2: Convert to fraction form
    29,603.68/44,437.12 = 12,745.03/x
  3. Step 3: Cross multiply
    29,603.68x = 44,437.12 × 12,745.03
  4. Step 4: Simplify right side
    29,603.68x = 566,352,427.51
  5. Step 5: Solve for x
    x = 566,352,427.51/29,603.68
  6. Step 6: Final answer
    x = 19,131.15

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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.