Home / 32,975.45-45,508.35-18,630.30

Finding the Fourth Proportional to 32,975.45, 45,508.35 and 18,630.30

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Solution

The fourth proportional to 32,975.45, 45,508.35 and 18,630.30 is: 25,711.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,975.45 : 45,508.35 = 18,630.30 : x
  2. Step 2: Convert to fraction form
    32,975.45/45,508.35 = 18,630.30/x
  3. Step 3: Cross multiply
    32,975.45x = 45,508.35 × 18,630.30
  4. Step 4: Simplify right side
    32,975.45x = 847,834,326.78
  5. Step 5: Solve for x
    x = 847,834,326.78/32,975.45
  6. Step 6: Final answer
    x = 25,711.08

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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.