Home / 45,263.09-67,878.42-15,672.98

Finding the Fourth Proportional to 45,263.09, 67,878.42 and 15,672.98

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Solution

The fourth proportional to 45,263.09, 67,878.42 and 15,672.98 is: 23,503.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,263.09 : 67,878.42 = 15,672.98 : x
  2. Step 2: Convert to fraction form
    45,263.09/67,878.42 = 15,672.98/x
  3. Step 3: Cross multiply
    45,263.09x = 67,878.42 × 15,672.98
  4. Step 4: Simplify right side
    45,263.09x = 1,063,857,119.09
  5. Step 5: Solve for x
    x = 1,063,857,119.09/45,263.09
  6. Step 6: Final answer
    x = 23,503.86

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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.