Home / 32,860.80-45,338.40-19,425.60

Finding the Fourth Proportional to 32,860.80, 45,338.40 and 19,425.60

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Solution

The fourth proportional to 32,860.80, 45,338.40 and 19,425.60 is: 26,801.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,860.80 : 45,338.40 = 19,425.60 : x
  2. Step 2: Convert to fraction form
    32,860.80/45,338.40 = 19,425.60/x
  3. Step 3: Cross multiply
    32,860.80x = 45,338.40 × 19,425.60
  4. Step 4: Simplify right side
    32,860.80x = 880,725,623.04
  5. Step 5: Solve for x
    x = 880,725,623.04/32,860.80
  6. Step 6: Final answer
    x = 26,801.71

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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.