Home / 53,135.49-79,714.94-17,607.84

Finding the Fourth Proportional to 53,135.49, 79,714.94 and 17,607.84

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Solution

The fourth proportional to 53,135.49, 79,714.94 and 17,607.84 is: 26,415.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,135.49 : 79,714.94 = 17,607.84 : x
  2. Step 2: Convert to fraction form
    53,135.49/79,714.94 = 17,607.84/x
  3. Step 3: Cross multiply
    53,135.49x = 79,714.94 × 17,607.84
  4. Step 4: Simplify right side
    53,135.49x = 1,403,607,909.13
  5. Step 5: Solve for x
    x = 1,403,607,909.13/53,135.49
  6. Step 6: Final answer
    x = 26,415.64

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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.