Home / 32,930.64-45,443.40-18,783.18

Finding the Fourth Proportional to 32,930.64, 45,443.40 and 18,783.18

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Solution

The fourth proportional to 32,930.64, 45,443.40 and 18,783.18 is: 25,920.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,930.64 : 45,443.40 = 18,783.18 : x
  2. Step 2: Convert to fraction form
    32,930.64/45,443.40 = 18,783.18/x
  3. Step 3: Cross multiply
    32,930.64x = 45,443.40 × 18,783.18
  4. Step 4: Simplify right side
    32,930.64x = 853,571,562.01
  5. Step 5: Solve for x
    x = 853,571,562.01/32,930.64
  6. Step 6: Final answer
    x = 25,920.28

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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.