Home / 32,713.48-45,145.71-18,375.84

Finding the Fourth Proportional to 32,713.48, 45,145.71 and 18,375.84

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Solution

The fourth proportional to 32,713.48, 45,145.71 and 18,375.84 is: 25,359.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,713.48 : 45,145.71 = 18,375.84 : x
  2. Step 2: Convert to fraction form
    32,713.48/45,145.71 = 18,375.84/x
  3. Step 3: Cross multiply
    32,713.48x = 45,145.71 × 18,375.84
  4. Step 4: Simplify right side
    32,713.48x = 829,590,343.65
  5. Step 5: Solve for x
    x = 829,590,343.65/32,713.48
  6. Step 6: Final answer
    x = 25,359.28

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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.