Home / 45,260-67,890.12-14,095.28

Finding the Fourth Proportional to 45,260, 67,890.12 and 14,095.28

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Solution

The fourth proportional to 45,260, 67,890.12 and 14,095.28 is: 21,142.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,260 : 67,890.12 = 14,095.28 : x
  2. Step 2: Convert to fraction form
    45,260/67,890.12 = 14,095.28/x
  3. Step 3: Cross multiply
    45,260x = 67,890.12 × 14,095.28
  4. Step 4: Simplify right side
    45,260x = 956,930,250.63
  5. Step 5: Solve for x
    x = 956,930,250.63/45,260
  6. Step 6: Final answer
    x = 21,142.96

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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.