Home / 45,308.57-67,962.86-14,146.49

Finding the Fourth Proportional to 45,308.57, 67,962.86 and 14,146.49

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Solution

The fourth proportional to 45,308.57, 67,962.86 and 14,146.49 is: 21,219.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,308.57 : 67,962.86 = 14,146.49 : x
  2. Step 2: Convert to fraction form
    45,308.57/67,962.86 = 14,146.49/x
  3. Step 3: Cross multiply
    45,308.57x = 67,962.86 × 14,146.49
  4. Step 4: Simplify right side
    45,308.57x = 961,435,848.63
  5. Step 5: Solve for x
    x = 961,435,848.63/45,308.57
  6. Step 6: Final answer
    x = 21,219.74

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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.