Home / 29,567.12-40,802.76-16,138.71

Finding the Fourth Proportional to 29,567.12, 40,802.76 and 16,138.71

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Solution

The fourth proportional to 29,567.12, 40,802.76 and 16,138.71 is: 22,271.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,567.12 : 40,802.76 = 16,138.71 : x
  2. Step 2: Convert to fraction form
    29,567.12/40,802.76 = 16,138.71/x
  3. Step 3: Cross multiply
    29,567.12x = 40,802.76 × 16,138.71
  4. Step 4: Simplify right side
    29,567.12x = 658,503,910.84
  5. Step 5: Solve for x
    x = 658,503,910.84/29,567.12
  6. Step 6: Final answer
    x = 22,271.50

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1.5x scale

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.