Home / 43,738.48-65,618.14-14,156.32

Finding the Fourth Proportional to 43,738.48, 65,618.14 and 14,156.32

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Solution

The fourth proportional to 43,738.48, 65,618.14 and 14,156.32 is: 21,237.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,738.48 : 65,618.14 = 14,156.32 : x
  2. Step 2: Convert to fraction form
    43,738.48/65,618.14 = 14,156.32/x
  3. Step 3: Cross multiply
    43,738.48x = 65,618.14 × 14,156.32
  4. Step 4: Simplify right side
    43,738.48x = 928,911,387.64
  5. Step 5: Solve for x
    x = 928,911,387.64/43,738.48
  6. Step 6: Final answer
    x = 21,237.85

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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.