Home / 79,030.70-118,521.37-26,427.90

Finding the Fourth Proportional to 79,030.70, 118,521.37 and 26,427.90

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Solution

The fourth proportional to 79,030.70, 118,521.37 and 26,427.90 is: 39,633.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,030.70 : 118,521.37 = 26,427.90 : x
  2. Step 2: Convert to fraction form
    79,030.70/118,521.37 = 26,427.90/x
  3. Step 3: Cross multiply
    79,030.70x = 118,521.37 × 26,427.90
  4. Step 4: Simplify right side
    79,030.70x = 3,132,270,914.22
  5. Step 5: Solve for x
    x = 3,132,270,914.22/79,030.70
  6. Step 6: Final answer
    x = 39,633.60

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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.