Home / 53,326.45-79,962.81-17,775.16

Finding the Fourth Proportional to 53,326.45, 79,962.81 and 17,775.16

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Solution

The fourth proportional to 53,326.45, 79,962.81 and 17,775.16 is: 26,653.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,326.45 : 79,962.81 = 17,775.16 : x
  2. Step 2: Convert to fraction form
    53,326.45/79,962.81 = 17,775.16/x
  3. Step 3: Cross multiply
    53,326.45x = 79,962.81 × 17,775.16
  4. Step 4: Simplify right side
    53,326.45x = 1,421,351,741.80
  5. Step 5: Solve for x
    x = 1,421,351,741.80/53,326.45
  6. Step 6: Final answer
    x = 26,653.79

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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.