Home / 32,135.12-44,305.13-20,784.59

Finding the Fourth Proportional to 32,135.12, 44,305.13 and 20,784.59

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Solution

The fourth proportional to 32,135.12, 44,305.13 and 20,784.59 is: 28,655.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,135.12 : 44,305.13 = 20,784.59 : x
  2. Step 2: Convert to fraction form
    32,135.12/44,305.13 = 20,784.59/x
  3. Step 3: Cross multiply
    32,135.12x = 44,305.13 × 20,784.59
  4. Step 4: Simplify right side
    32,135.12x = 920,863,636.50
  5. Step 5: Solve for x
    x = 920,863,636.50/32,135.12
  6. Step 6: Final answer
    x = 28,655.99

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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.