Home / 45,115.21-67,673.76-13,950.46

Finding the Fourth Proportional to 45,115.21, 67,673.76 and 13,950.46

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Solution

The fourth proportional to 45,115.21, 67,673.76 and 13,950.46 is: 20,925.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,115.21 : 67,673.76 = 13,950.46 : x
  2. Step 2: Convert to fraction form
    45,115.21/67,673.76 = 13,950.46/x
  3. Step 3: Cross multiply
    45,115.21x = 67,673.76 × 13,950.46
  4. Step 4: Simplify right side
    45,115.21x = 944,080,081.93
  5. Step 5: Solve for x
    x = 944,080,081.93/45,115.21
  6. Step 6: Final answer
    x = 20,925.98

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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.