Home / 32,630.04-45,139.68-31,449.06

Finding the Fourth Proportional to 32,630.04, 45,139.68 and 31,449.06

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Solution

The fourth proportional to 32,630.04, 45,139.68 and 31,449.06 is: 43,505.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,630.04 : 45,139.68 = 31,449.06 : x
  2. Step 2: Convert to fraction form
    32,630.04/45,139.68 = 31,449.06/x
  3. Step 3: Cross multiply
    32,630.04x = 45,139.68 × 31,449.06
  4. Step 4: Simplify right side
    32,630.04x = 1,419,600,504.70
  5. Step 5: Solve for x
    x = 1,419,600,504.70/32,630.04
  6. Step 6: Final answer
    x = 43,505.94

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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.