Home / 32,630.16-45,029.10-18,289.98

Finding the Fourth Proportional to 32,630.16, 45,029.10 and 18,289.98

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Solution

The fourth proportional to 32,630.16, 45,029.10 and 18,289.98 is: 25,239.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,630.16 : 45,029.10 = 18,289.98 : x
  2. Step 2: Convert to fraction form
    32,630.16/45,029.10 = 18,289.98/x
  3. Step 3: Cross multiply
    32,630.16x = 45,029.10 × 18,289.98
  4. Step 4: Simplify right side
    32,630.16x = 823,581,338.42
  5. Step 5: Solve for x
    x = 823,581,338.42/32,630.16
  6. Step 6: Final answer
    x = 25,239.88

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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.