Home / 56,339.79-84,521.04-20,801.34

Finding the Fourth Proportional to 56,339.79, 84,521.04 and 20,801.34

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Solution

The fourth proportional to 56,339.79, 84,521.04 and 20,801.34 is: 31,206.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,339.79 : 84,521.04 = 20,801.34 : x
  2. Step 2: Convert to fraction form
    56,339.79/84,521.04 = 20,801.34/x
  3. Step 3: Cross multiply
    56,339.79x = 84,521.04 × 20,801.34
  4. Step 4: Simplify right side
    56,339.79x = 1,758,150,890.19
  5. Step 5: Solve for x
    x = 1,758,150,890.19/56,339.79
  6. Step 6: Final answer
    x = 31,206.20

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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.