Home / 42,286.72-63,437.41-14,209.51

Finding the Fourth Proportional to 42,286.72, 63,437.41 and 14,209.51

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Solution

The fourth proportional to 42,286.72, 63,437.41 and 14,209.51 is: 21,316.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,286.72 : 63,437.41 = 14,209.51 : x
  2. Step 2: Convert to fraction form
    42,286.72/63,437.41 = 14,209.51/x
  3. Step 3: Cross multiply
    42,286.72x = 63,437.41 × 14,209.51
  4. Step 4: Simplify right side
    42,286.72x = 901,414,511.77
  5. Step 5: Solve for x
    x = 901,414,511.77/42,286.72
  6. Step 6: Final answer
    x = 21,316.73

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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.