Home / 45,439.02-68,125.26-21,415.14

Finding the Fourth Proportional to 45,439.02, 68,125.26 and 21,415.14

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Solution

The fourth proportional to 45,439.02, 68,125.26 and 21,415.14 is: 32,107.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,439.02 : 68,125.26 = 21,415.14 : x
  2. Step 2: Convert to fraction form
    45,439.02/68,125.26 = 21,415.14/x
  3. Step 3: Cross multiply
    45,439.02x = 68,125.26 × 21,415.14
  4. Step 4: Simplify right side
    45,439.02x = 1,458,911,980.44
  5. Step 5: Solve for x
    x = 1,458,911,980.44/45,439.02
  6. Step 6: Final answer
    x = 32,107.03

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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.