Home / 42,530.82-63,794.07-12,948

Finding the Fourth Proportional to 42,530.82, 63,794.07 and 12,948

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Solution

The fourth proportional to 42,530.82, 63,794.07 and 12,948 is: 19,421.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,530.82 : 63,794.07 = 12,948 : x
  2. Step 2: Convert to fraction form
    42,530.82/63,794.07 = 12,948/x
  3. Step 3: Cross multiply
    42,530.82x = 63,794.07 × 12,948
  4. Step 4: Simplify right side
    42,530.82x = 826,005,618.36
  5. Step 5: Solve for x
    x = 826,005,618.36/42,530.82
  6. Step 6: Final answer
    x = 19,421.34

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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.