Home / 39,055.12-58,543.23-15,379.28

Finding the Fourth Proportional to 39,055.12, 58,543.23 and 15,379.28

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Solution

The fourth proportional to 39,055.12, 58,543.23 and 15,379.28 is: 23,053.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,055.12 : 58,543.23 = 15,379.28 : x
  2. Step 2: Convert to fraction form
    39,055.12/58,543.23 = 15,379.28/x
  3. Step 3: Cross multiply
    39,055.12x = 58,543.23 × 15,379.28
  4. Step 4: Simplify right side
    39,055.12x = 900,352,930.30
  5. Step 5: Solve for x
    x = 900,352,930.30/39,055.12
  6. Step 6: Final answer
    x = 23,053.39

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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.