Home / 30,179.40-45,090.45-29,145.84

Finding the Fourth Proportional to 30,179.40, 45,090.45 and 29,145.84

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Solution

The fourth proportional to 30,179.40, 45,090.45 and 29,145.84 is: 43,546.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,179.40 : 45,090.45 = 29,145.84 : x
  2. Step 2: Convert to fraction form
    30,179.40/45,090.45 = 29,145.84/x
  3. Step 3: Cross multiply
    30,179.40x = 45,090.45 × 29,145.84
  4. Step 4: Simplify right side
    30,179.40x = 1,314,199,041.23
  5. Step 5: Solve for x
    x = 1,314,199,041.23/30,179.40
  6. Step 6: Final answer
    x = 43,546.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.