Home / 53,277.67-79,916.51-18,217.63

Finding the Fourth Proportional to 53,277.67, 79,916.51 and 18,217.63

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Solution

The fourth proportional to 53,277.67, 79,916.51 and 18,217.63 is: 27,326.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,277.67 : 79,916.51 = 18,217.63 : x
  2. Step 2: Convert to fraction form
    53,277.67/79,916.51 = 18,217.63/x
  3. Step 3: Cross multiply
    53,277.67x = 79,916.51 × 18,217.63
  4. Step 4: Simplify right side
    53,277.67x = 1,455,889,410.07
  5. Step 5: Solve for x
    x = 1,455,889,410.07/53,277.67
  6. Step 6: Final answer
    x = 27,326.45

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Similar ratio
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1.5x scale

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.