Home / 53,020.63-79,541.88-17,959.38

Finding the Fourth Proportional to 53,020.63, 79,541.88 and 17,959.38

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Solution

The fourth proportional to 53,020.63, 79,541.88 and 17,959.38 is: 26,942.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,020.63 : 79,541.88 = 17,959.38 : x
  2. Step 2: Convert to fraction form
    53,020.63/79,541.88 = 17,959.38/x
  3. Step 3: Cross multiply
    53,020.63x = 79,541.88 × 17,959.38
  4. Step 4: Simplify right side
    53,020.63x = 1,428,522,848.83
  5. Step 5: Solve for x
    x = 1,428,522,848.83/53,020.63
  6. Step 6: Final answer
    x = 26,942.77

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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.