Home / 45,830.85-68,757.05-14,239.32

Finding the Fourth Proportional to 45,830.85, 68,757.05 and 14,239.32

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Solution

The fourth proportional to 45,830.85, 68,757.05 and 14,239.32 is: 21,362.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,830.85 : 68,757.05 = 14,239.32 : x
  2. Step 2: Convert to fraction form
    45,830.85/68,757.05 = 14,239.32/x
  3. Step 3: Cross multiply
    45,830.85x = 68,757.05 × 14,239.32
  4. Step 4: Simplify right side
    45,830.85x = 979,053,637.21
  5. Step 5: Solve for x
    x = 979,053,637.21/45,830.85
  6. Step 6: Final answer
    x = 21,362.33

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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.