Home / 45,428.16-68,146.08-14,263.44

Finding the Fourth Proportional to 45,428.16, 68,146.08 and 14,263.44

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Solution

The fourth proportional to 45,428.16, 68,146.08 and 14,263.44 is: 21,396.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,428.16 : 68,146.08 = 14,263.44 : x
  2. Step 2: Convert to fraction form
    45,428.16/68,146.08 = 14,263.44/x
  3. Step 3: Cross multiply
    45,428.16x = 68,146.08 × 14,263.44
  4. Step 4: Simplify right side
    45,428.16x = 971,997,523.32
  5. Step 5: Solve for x
    x = 971,997,523.32/45,428.16
  6. Step 6: Final answer
    x = 21,396.37

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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.