Home / 43,487.89-65,256.45-18,525.34

Finding the Fourth Proportional to 43,487.89, 65,256.45 and 18,525.34

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Solution

The fourth proportional to 43,487.89, 65,256.45 and 18,525.34 is: 27,798.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,487.89 : 65,256.45 = 18,525.34 : x
  2. Step 2: Convert to fraction form
    43,487.89/65,256.45 = 18,525.34/x
  3. Step 3: Cross multiply
    43,487.89x = 65,256.45 × 18,525.34
  4. Step 4: Simplify right side
    43,487.89x = 1,208,897,923.44
  5. Step 5: Solve for x
    x = 1,208,897,923.44/43,487.89
  6. Step 6: Final answer
    x = 27,798.50

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1.5x scale

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.