Home / 32,669.40-45,079.08-18,519.50

Finding the Fourth Proportional to 32,669.40, 45,079.08 and 18,519.50

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Solution

The fourth proportional to 32,669.40, 45,079.08 and 18,519.50 is: 25,554.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,669.40 : 45,079.08 = 18,519.50 : x
  2. Step 2: Convert to fraction form
    32,669.40/45,079.08 = 18,519.50/x
  3. Step 3: Cross multiply
    32,669.40x = 45,079.08 × 18,519.50
  4. Step 4: Simplify right side
    32,669.40x = 834,842,022.06
  5. Step 5: Solve for x
    x = 834,842,022.06/32,669.40
  6. Step 6: Final answer
    x = 25,554.25

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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.