Home / 36,267.50-54,430.50-18,742.34

Finding the Fourth Proportional to 36,267.50, 54,430.50 and 18,742.34

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Solution

The fourth proportional to 36,267.50, 54,430.50 and 18,742.34 is: 28,128.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,267.50 : 54,430.50 = 18,742.34 : x
  2. Step 2: Convert to fraction form
    36,267.50/54,430.50 = 18,742.34/x
  3. Step 3: Cross multiply
    36,267.50x = 54,430.50 × 18,742.34
  4. Step 4: Simplify right side
    36,267.50x = 1,020,154,937.37
  5. Step 5: Solve for x
    x = 1,020,154,937.37/36,267.50
  6. Step 6: Final answer
    x = 28,128.63

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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.