Home / 30,720.96-46,031.04-29,569.68

Finding the Fourth Proportional to 30,720.96, 46,031.04 and 29,569.68

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Solution

The fourth proportional to 30,720.96, 46,031.04 and 29,569.68 is: 44,306.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,720.96 : 46,031.04 = 29,569.68 : x
  2. Step 2: Convert to fraction form
    30,720.96/46,031.04 = 29,569.68/x
  3. Step 3: Cross multiply
    30,720.96x = 46,031.04 × 29,569.68
  4. Step 4: Simplify right side
    30,720.96x = 1,361,123,122.87
  5. Step 5: Solve for x
    x = 1,361,123,122.87/30,720.96
  6. Step 6: Final answer
    x = 44,306.01

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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.