Home / 29,130.79-40,200.10-16,383.96

Finding the Fourth Proportional to 29,130.79, 40,200.10 and 16,383.96

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Solution

The fourth proportional to 29,130.79, 40,200.10 and 16,383.96 is: 22,609.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,130.79 : 40,200.10 = 16,383.96 : x
  2. Step 2: Convert to fraction form
    29,130.79/40,200.10 = 16,383.96/x
  3. Step 3: Cross multiply
    29,130.79x = 40,200.10 × 16,383.96
  4. Step 4: Simplify right side
    29,130.79x = 658,636,830.40
  5. Step 5: Solve for x
    x = 658,636,830.40/29,130.79
  6. Step 6: Final answer
    x = 22,609.65

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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.