Home / 42,322.26-63,468.81-12,732.15

Finding the Fourth Proportional to 42,322.26, 63,468.81 and 12,732.15

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Solution

The fourth proportional to 42,322.26, 63,468.81 and 12,732.15 is: 19,093.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,322.26 : 63,468.81 = 12,732.15 : x
  2. Step 2: Convert to fraction form
    42,322.26/63,468.81 = 12,732.15/x
  3. Step 3: Cross multiply
    42,322.26x = 63,468.81 × 12,732.15
  4. Step 4: Simplify right side
    42,322.26x = 808,094,409.24
  5. Step 5: Solve for x
    x = 808,094,409.24/42,322.26
  6. Step 6: Final answer
    x = 19,093.84

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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.