Home / 42,169.95-63,268.63-12,588.03

Finding the Fourth Proportional to 42,169.95, 63,268.63 and 12,588.03

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Solution

The fourth proportional to 42,169.95, 63,268.63 and 12,588.03 is: 18,886.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,169.95 : 63,268.63 = 12,588.03 : x
  2. Step 2: Convert to fraction form
    42,169.95/63,268.63 = 12,588.03/x
  3. Step 3: Cross multiply
    42,169.95x = 63,268.63 × 12,588.03
  4. Step 4: Simplify right side
    42,169.95x = 796,427,381.03
  5. Step 5: Solve for x
    x = 796,427,381.03/42,169.95
  6. Step 6: Final answer
    x = 18,886.14

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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.