Home / 21,763.19-30,050.16-16,719.42

Finding the Fourth Proportional to 21,763.19, 30,050.16 and 16,719.42

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Solution

The fourth proportional to 21,763.19, 30,050.16 and 16,719.42 is: 23,085.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,763.19 : 30,050.16 = 16,719.42 : x
  2. Step 2: Convert to fraction form
    21,763.19/30,050.16 = 16,719.42/x
  3. Step 3: Cross multiply
    21,763.19x = 30,050.16 × 16,719.42
  4. Step 4: Simplify right side
    21,763.19x = 502,421,246.11
  5. Step 5: Solve for x
    x = 502,421,246.11/21,763.19
  6. Step 6: Final answer
    x = 23,085.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.