Home / 32,382.55-44,666.13-20,435.86

Finding the Fourth Proportional to 32,382.55, 44,666.13 and 20,435.86

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Solution

The fourth proportional to 32,382.55, 44,666.13 and 20,435.86 is: 28,187.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,382.55 : 44,666.13 = 20,435.86 : x
  2. Step 2: Convert to fraction form
    32,382.55/44,666.13 = 20,435.86/x
  3. Step 3: Cross multiply
    32,382.55x = 44,666.13 × 20,435.86
  4. Step 4: Simplify right side
    32,382.55x = 912,790,779.42
  5. Step 5: Solve for x
    x = 912,790,779.42/32,382.55
  6. Step 6: Final answer
    x = 28,187.74

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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.