Home / 43,995.08-65,999.40-14,405.78

Finding the Fourth Proportional to 43,995.08, 65,999.40 and 14,405.78

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Solution

The fourth proportional to 43,995.08, 65,999.40 and 14,405.78 is: 21,610.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,995.08 : 65,999.40 = 14,405.78 : x
  2. Step 2: Convert to fraction form
    43,995.08/65,999.40 = 14,405.78/x
  3. Step 3: Cross multiply
    43,995.08x = 65,999.40 × 14,405.78
  4. Step 4: Simplify right side
    43,995.08x = 950,772,836.53
  5. Step 5: Solve for x
    x = 950,772,836.53/43,995.08
  6. Step 6: Final answer
    x = 21,610.89

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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.