Home / 20,023.54-30,036.91-6,172.50

Finding the Fourth Proportional to 20,023.54, 30,036.91 and 6,172.50

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Solution

The fourth proportional to 20,023.54, 30,036.91 and 6,172.50 is: 9,259.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.54 : 30,036.91 = 6,172.50 : x
  2. Step 2: Convert to fraction form
    20,023.54/30,036.91 = 6,172.50/x
  3. Step 3: Cross multiply
    20,023.54x = 30,036.91 × 6,172.50
  4. Step 4: Simplify right side
    20,023.54x = 185,402,826.98
  5. Step 5: Solve for x
    x = 185,402,826.98/20,023.54
  6. Step 6: Final answer
    x = 9,259.24

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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.