Home / 43,156.36-64,729.05-18,206.32

Finding the Fourth Proportional to 43,156.36, 64,729.05 and 18,206.32

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Solution

The fourth proportional to 43,156.36, 64,729.05 and 18,206.32 is: 27,307.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,156.36 : 64,729.05 = 18,206.32 : x
  2. Step 2: Convert to fraction form
    43,156.36/64,729.05 = 18,206.32/x
  3. Step 3: Cross multiply
    43,156.36x = 64,729.05 × 18,206.32
  4. Step 4: Simplify right side
    43,156.36x = 1,178,477,797.60
  5. Step 5: Solve for x
    x = 1,178,477,797.60/43,156.36
  6. Step 6: Final answer
    x = 27,307.16

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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.