Home / 53,830.68-80,747.56-14,387.84

Finding the Fourth Proportional to 53,830.68, 80,747.56 and 14,387.84

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Solution

The fourth proportional to 53,830.68, 80,747.56 and 14,387.84 is: 21,582.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,830.68 : 80,747.56 = 14,387.84 : x
  2. Step 2: Convert to fraction form
    53,830.68/80,747.56 = 14,387.84/x
  3. Step 3: Cross multiply
    53,830.68x = 80,747.56 × 14,387.84
  4. Step 4: Simplify right side
    53,830.68x = 1,161,782,973.67
  5. Step 5: Solve for x
    x = 1,161,782,973.67/53,830.68
  6. Step 6: Final answer
    x = 21,582.17

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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.