Home / 32,738.10-45,164.30-20,631.26

Finding the Fourth Proportional to 32,738.10, 45,164.30 and 20,631.26

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Solution

The fourth proportional to 32,738.10, 45,164.30 and 20,631.26 is: 28,462.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,738.10 : 45,164.30 = 20,631.26 : x
  2. Step 2: Convert to fraction form
    32,738.10/45,164.30 = 20,631.26/x
  3. Step 3: Cross multiply
    32,738.10x = 45,164.30 × 20,631.26
  4. Step 4: Simplify right side
    32,738.10x = 931,796,087.04
  5. Step 5: Solve for x
    x = 931,796,087.04/32,738.10
  6. Step 6: Final answer
    x = 28,462.13

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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.