Home / 45,008.16-67,506.01-11,725.51

Finding the Fourth Proportional to 45,008.16, 67,506.01 and 11,725.51

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Solution

The fourth proportional to 45,008.16, 67,506.01 and 11,725.51 is: 17,586.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,008.16 : 67,506.01 = 11,725.51 : x
  2. Step 2: Convert to fraction form
    45,008.16/67,506.01 = 11,725.51/x
  3. Step 3: Cross multiply
    45,008.16x = 67,506.01 × 11,725.51
  4. Step 4: Simplify right side
    45,008.16x = 791,542,323.81
  5. Step 5: Solve for x
    x = 791,542,323.81/45,008.16
  6. Step 6: Final answer
    x = 17,586.64

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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.