Home / 32,855.30-45,343.88-20,117.06

Finding the Fourth Proportional to 32,855.30, 45,343.88 and 20,117.06

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Solution

The fourth proportional to 32,855.30, 45,343.88 and 20,117.06 is: 27,763.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,855.30 : 45,343.88 = 20,117.06 : x
  2. Step 2: Convert to fraction form
    32,855.30/45,343.88 = 20,117.06/x
  3. Step 3: Cross multiply
    32,855.30x = 45,343.88 × 20,117.06
  4. Step 4: Simplify right side
    32,855.30x = 912,185,554.59
  5. Step 5: Solve for x
    x = 912,185,554.59/32,855.30
  6. Step 6: Final answer
    x = 27,763.73

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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.