Home / 32,885.08-45,370.64-20,124.95

Finding the Fourth Proportional to 32,885.08, 45,370.64 and 20,124.95

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Solution

The fourth proportional to 32,885.08, 45,370.64 and 20,124.95 is: 27,765.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,885.08 : 45,370.64 = 20,124.95 : x
  2. Step 2: Convert to fraction form
    32,885.08/45,370.64 = 20,124.95/x
  3. Step 3: Cross multiply
    32,885.08x = 45,370.64 × 20,124.95
  4. Step 4: Simplify right side
    32,885.08x = 913,081,861.47
  5. Step 5: Solve for x
    x = 913,081,861.47/32,885.08
  6. Step 6: Final answer
    x = 27,765.84

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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.