Home / 32,739.80-45,190.86-19,310

Finding the Fourth Proportional to 32,739.80, 45,190.86 and 19,310

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Solution

The fourth proportional to 32,739.80, 45,190.86 and 19,310 is: 26,653.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,739.80 : 45,190.86 = 19,310 : x
  2. Step 2: Convert to fraction form
    32,739.80/45,190.86 = 19,310/x
  3. Step 3: Cross multiply
    32,739.80x = 45,190.86 × 19,310
  4. Step 4: Simplify right side
    32,739.80x = 872,635,506.60
  5. Step 5: Solve for x
    x = 872,635,506.60/32,739.80
  6. Step 6: Final answer
    x = 26,653.66

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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.