Home / 45,549.10-68,323.35-21,203.26

Finding the Fourth Proportional to 45,549.10, 68,323.35 and 21,203.26

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Solution

The fourth proportional to 45,549.10, 68,323.35 and 21,203.26 is: 31,804.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,549.10 : 68,323.35 = 21,203.26 : x
  2. Step 2: Convert to fraction form
    45,549.10/68,323.35 = 21,203.26/x
  3. Step 3: Cross multiply
    45,549.10x = 68,323.35 × 21,203.26
  4. Step 4: Simplify right side
    45,549.10x = 1,448,677,754.12
  5. Step 5: Solve for x
    x = 1,448,677,754.12/45,549.10
  6. Step 6: Final answer
    x = 31,804.75

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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.