Home / 29,005.56-40,030.20-16,429.50

Finding the Fourth Proportional to 29,005.56, 40,030.20 and 16,429.50

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Solution

The fourth proportional to 29,005.56, 40,030.20 and 16,429.50 is: 22,674.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,005.56 : 40,030.20 = 16,429.50 : x
  2. Step 2: Convert to fraction form
    29,005.56/40,030.20 = 16,429.50/x
  3. Step 3: Cross multiply
    29,005.56x = 40,030.20 × 16,429.50
  4. Step 4: Simplify right side
    29,005.56x = 657,676,170.90
  5. Step 5: Solve for x
    x = 657,676,170.90/29,005.56
  6. Step 6: Final answer
    x = 22,674.14

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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.