Home / 51,868.63-77,803.01-14,428.72

Finding the Fourth Proportional to 51,868.63, 77,803.01 and 14,428.72

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Solution

The fourth proportional to 51,868.63, 77,803.01 and 14,428.72 is: 21,643.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,868.63 : 77,803.01 = 14,428.72 : x
  2. Step 2: Convert to fraction form
    51,868.63/77,803.01 = 14,428.72/x
  3. Step 3: Cross multiply
    51,868.63x = 77,803.01 × 14,428.72
  4. Step 4: Simplify right side
    51,868.63x = 1,122,597,385.29
  5. Step 5: Solve for x
    x = 1,122,597,385.29/51,868.63
  6. Step 6: Final answer
    x = 21,643.09

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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.