Home / 46,377.98-69,558.88-21,415.90

Finding the Fourth Proportional to 46,377.98, 69,558.88 and 21,415.90

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Solution

The fourth proportional to 46,377.98, 69,558.88 and 21,415.90 is: 32,120.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,377.98 : 69,558.88 = 21,415.90 : x
  2. Step 2: Convert to fraction form
    46,377.98/69,558.88 = 21,415.90/x
  3. Step 3: Cross multiply
    46,377.98x = 69,558.88 × 21,415.90
  4. Step 4: Simplify right side
    46,377.98x = 1,489,666,018.19
  5. Step 5: Solve for x
    x = 1,489,666,018.19/46,377.98
  6. Step 6: Final answer
    x = 32,120.11

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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.