Home / 51,810.45-77,715.67-14,370.52

Finding the Fourth Proportional to 51,810.45, 77,715.67 and 14,370.52

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Solution

The fourth proportional to 51,810.45, 77,715.67 and 14,370.52 is: 21,555.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,810.45 : 77,715.67 = 14,370.52 : x
  2. Step 2: Convert to fraction form
    51,810.45/77,715.67 = 14,370.52/x
  3. Step 3: Cross multiply
    51,810.45x = 77,715.67 × 14,370.52
  4. Step 4: Simplify right side
    51,810.45x = 1,116,814,590.05
  5. Step 5: Solve for x
    x = 1,116,814,590.05/51,810.45
  6. Step 6: Final answer
    x = 21,555.78

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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.