Home / 53,310.79-79,957.95-18,242.38

Finding the Fourth Proportional to 53,310.79, 79,957.95 and 18,242.38

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Solution

The fourth proportional to 53,310.79, 79,957.95 and 18,242.38 is: 27,360.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,310.79 : 79,957.95 = 18,242.38 : x
  2. Step 2: Convert to fraction form
    53,310.79/79,957.95 = 18,242.38/x
  3. Step 3: Cross multiply
    53,310.79x = 79,957.95 × 18,242.38
  4. Step 4: Simplify right side
    53,310.79x = 1,458,623,307.92
  5. Step 5: Solve for x
    x = 1,458,623,307.92/53,310.79
  6. Step 6: Final answer
    x = 27,360.75

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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.