Home / 45,417.36-68,137.56-14,252.88

Finding the Fourth Proportional to 45,417.36, 68,137.56 and 14,252.88

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Solution

The fourth proportional to 45,417.36, 68,137.56 and 14,252.88 is: 21,382.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,417.36 : 68,137.56 = 14,252.88 : x
  2. Step 2: Convert to fraction form
    45,417.36/68,137.56 = 14,252.88/x
  3. Step 3: Cross multiply
    45,417.36x = 68,137.56 × 14,252.88
  4. Step 4: Simplify right side
    45,417.36x = 971,156,466.17
  5. Step 5: Solve for x
    x = 971,156,466.17/45,417.36
  6. Step 6: Final answer
    x = 21,382.94

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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.