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Finding the Fourth Proportional to 29,090.55, 43,642.67 and 9,368.37

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Solution

The fourth proportional to 29,090.55, 43,642.67 and 9,368.37 is: 14,054.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,090.55 : 43,642.67 = 9,368.37 : x
  2. Step 2: Convert to fraction form
    29,090.55/43,642.67 = 9,368.37/x
  3. Step 3: Cross multiply
    29,090.55x = 43,642.67 × 9,368.37
  4. Step 4: Simplify right side
    29,090.55x = 408,860,633.51
  5. Step 5: Solve for x
    x = 408,860,633.51/29,090.55
  6. Step 6: Final answer
    x = 14,054.76

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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.