Home / 79,730.40-119,611.36-23,571.52

Finding the Fourth Proportional to 79,730.40, 119,611.36 and 23,571.52

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Solution

The fourth proportional to 79,730.40, 119,611.36 and 23,571.52 is: 35,361.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,730.40 : 119,611.36 = 23,571.52 : x
  2. Step 2: Convert to fraction form
    79,730.40/119,611.36 = 23,571.52/x
  3. Step 3: Cross multiply
    79,730.40x = 119,611.36 × 23,571.52
  4. Step 4: Simplify right side
    79,730.40x = 2,819,421,564.47
  5. Step 5: Solve for x
    x = 2,819,421,564.47/79,730.40
  6. Step 6: Final answer
    x = 35,361.94

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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.