Home / 43,526.32-65,234.40-21,334.48

Finding the Fourth Proportional to 43,526.32, 65,234.40 and 21,334.48

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Solution

The fourth proportional to 43,526.32, 65,234.40 and 21,334.48 is: 31,974.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,526.32 : 65,234.40 = 21,334.48 : x
  2. Step 2: Convert to fraction form
    43,526.32/65,234.40 = 21,334.48/x
  3. Step 3: Cross multiply
    43,526.32x = 65,234.40 × 21,334.48
  4. Step 4: Simplify right side
    43,526.32x = 1,391,742,002.11
  5. Step 5: Solve for x
    x = 1,391,742,002.11/43,526.32
  6. Step 6: Final answer
    x = 31,974.72

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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.