Home / 45,609.18-68,415.69-14,443.74

Finding the Fourth Proportional to 45,609.18, 68,415.69 and 14,443.74

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Solution

The fourth proportional to 45,609.18, 68,415.69 and 14,443.74 is: 21,666.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,609.18 : 68,415.69 = 14,443.74 : x
  2. Step 2: Convert to fraction form
    45,609.18/68,415.69 = 14,443.74/x
  3. Step 3: Cross multiply
    45,609.18x = 68,415.69 × 14,443.74
  4. Step 4: Simplify right side
    45,609.18x = 988,178,438.28
  5. Step 5: Solve for x
    x = 988,178,438.28/45,609.18
  6. Step 6: Final answer
    x = 21,666.22

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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.