Home / 43,726.60-65,573.70-14,145.40

Finding the Fourth Proportional to 43,726.60, 65,573.70 and 14,145.40

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Solution

The fourth proportional to 43,726.60, 65,573.70 and 14,145.40 is: 21,212.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,726.60 : 65,573.70 = 14,145.40 : x
  2. Step 2: Convert to fraction form
    43,726.60/65,573.70 = 14,145.40/x
  3. Step 3: Cross multiply
    43,726.60x = 65,573.70 × 14,145.40
  4. Step 4: Simplify right side
    43,726.60x = 927,566,215.98
  5. Step 5: Solve for x
    x = 927,566,215.98/43,726.60
  6. Step 6: Final answer
    x = 21,212.86

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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.