Home / 40,370.63-60,555.96-19,305.69

Finding the Fourth Proportional to 40,370.63, 60,555.96 and 19,305.69

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Solution

The fourth proportional to 40,370.63, 60,555.96 and 19,305.69 is: 28,958.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,370.63 : 60,555.96 = 19,305.69 : x
  2. Step 2: Convert to fraction form
    40,370.63/60,555.96 = 19,305.69/x
  3. Step 3: Cross multiply
    40,370.63x = 60,555.96 × 19,305.69
  4. Step 4: Simplify right side
    40,370.63x = 1,169,074,591.41
  5. Step 5: Solve for x
    x = 1,169,074,591.41/40,370.63
  6. Step 6: Final answer
    x = 28,958.55

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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.