Home / 42,396.66-63,596.35-21,325.20

Finding the Fourth Proportional to 42,396.66, 63,596.35 and 21,325.20

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Solution

The fourth proportional to 42,396.66, 63,596.35 and 21,325.20 is: 31,988.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,396.66 : 63,596.35 = 21,325.20 : x
  2. Step 2: Convert to fraction form
    42,396.66/63,596.35 = 21,325.20/x
  3. Step 3: Cross multiply
    42,396.66x = 63,596.35 × 21,325.20
  4. Step 4: Simplify right side
    42,396.66x = 1,356,204,511.73
  5. Step 5: Solve for x
    x = 1,356,204,511.73/42,396.66
  6. Step 6: Final answer
    x = 31,988.47

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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.