Home / 45,515.36-68,263.32-14,343.32

Finding the Fourth Proportional to 45,515.36, 68,263.32 and 14,343.32

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Solution

The fourth proportional to 45,515.36, 68,263.32 and 14,343.32 is: 21,511.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,515.36 : 68,263.32 = 14,343.32 : x
  2. Step 2: Convert to fraction form
    45,515.36/68,263.32 = 14,343.32/x
  3. Step 3: Cross multiply
    45,515.36x = 68,263.32 × 14,343.32
  4. Step 4: Simplify right side
    45,515.36x = 979,122,643.02
  5. Step 5: Solve for x
    x = 979,122,643.02/45,515.36
  6. Step 6: Final answer
    x = 21,511.92

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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.