Home / 39,770.33-59,654.12-10,188.45

Finding the Fourth Proportional to 39,770.33, 59,654.12 and 10,188.45

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Solution

The fourth proportional to 39,770.33, 59,654.12 and 10,188.45 is: 15,282.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,770.33 : 59,654.12 = 10,188.45 : x
  2. Step 2: Convert to fraction form
    39,770.33/59,654.12 = 10,188.45/x
  3. Step 3: Cross multiply
    39,770.33x = 59,654.12 × 10,188.45
  4. Step 4: Simplify right side
    39,770.33x = 607,782,967.97
  5. Step 5: Solve for x
    x = 607,782,967.97/39,770.33
  6. Step 6: Final answer
    x = 15,282.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.