Home / 32,784.81-45,244.15-20,036.43

Finding the Fourth Proportional to 32,784.81, 45,244.15 and 20,036.43

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Solution

The fourth proportional to 32,784.81, 45,244.15 and 20,036.43 is: 27,650.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,784.81 : 45,244.15 = 20,036.43 : x
  2. Step 2: Convert to fraction form
    32,784.81/45,244.15 = 20,036.43/x
  3. Step 3: Cross multiply
    32,784.81x = 45,244.15 × 20,036.43
  4. Step 4: Simplify right side
    32,784.81x = 906,531,018.16
  5. Step 5: Solve for x
    x = 906,531,018.16/32,784.81
  6. Step 6: Final answer
    x = 27,650.95

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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.