Home / 51,385.68-77,083.65-13,946.36

Finding the Fourth Proportional to 51,385.68, 77,083.65 and 13,946.36

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Solution

The fourth proportional to 51,385.68, 77,083.65 and 13,946.36 is: 20,920.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,385.68 : 77,083.65 = 13,946.36 : x
  2. Step 2: Convert to fraction form
    51,385.68/77,083.65 = 13,946.36/x
  3. Step 3: Cross multiply
    51,385.68x = 77,083.65 × 13,946.36
  4. Step 4: Simplify right side
    51,385.68x = 1,075,035,947.60
  5. Step 5: Solve for x
    x = 1,075,035,947.60/51,385.68
  6. Step 6: Final answer
    x = 20,920.92

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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.