Home / 51,222.48-76,830.95-19,647.68

Finding the Fourth Proportional to 51,222.48, 76,830.95 and 19,647.68

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Solution

The fourth proportional to 51,222.48, 76,830.95 and 19,647.68 is: 29,470.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,222.48 : 76,830.95 = 19,647.68 : x
  2. Step 2: Convert to fraction form
    51,222.48/76,830.95 = 19,647.68/x
  3. Step 3: Cross multiply
    51,222.48x = 76,830.95 × 19,647.68
  4. Step 4: Simplify right side
    51,222.48x = 1,509,549,437.30
  5. Step 5: Solve for x
    x = 1,509,549,437.30/51,222.48
  6. Step 6: Final answer
    x = 29,470.45

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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.