Home / 43,725.61-65,590.46-14,145.76

Finding the Fourth Proportional to 43,725.61, 65,590.46 and 14,145.76

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Solution

The fourth proportional to 43,725.61, 65,590.46 and 14,145.76 is: 21,219.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,725.61 : 65,590.46 = 14,145.76 : x
  2. Step 2: Convert to fraction form
    43,725.61/65,590.46 = 14,145.76/x
  3. Step 3: Cross multiply
    43,725.61x = 65,590.46 × 14,145.76
  4. Step 4: Simplify right side
    43,725.61x = 927,826,600.81
  5. Step 5: Solve for x
    x = 927,826,600.81/43,725.61
  6. Step 6: Final answer
    x = 21,219.30

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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.