Home / 51,385.93-77,084.03-13,946.61

Finding the Fourth Proportional to 51,385.93, 77,084.03 and 13,946.61

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Solution

The fourth proportional to 51,385.93, 77,084.03 and 13,946.61 is: 20,921.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,385.93 : 77,084.03 = 13,946.61 : x
  2. Step 2: Convert to fraction form
    51,385.93/77,084.03 = 13,946.61/x
  3. Step 3: Cross multiply
    51,385.93x = 77,084.03 × 13,946.61
  4. Step 4: Simplify right side
    51,385.93x = 1,075,060,903.64
  5. Step 5: Solve for x
    x = 1,075,060,903.64/51,385.93
  6. Step 6: Final answer
    x = 20,921.31

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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.