Home / 35,770.31-49,365.33-20,663.60

Finding the Fourth Proportional to 35,770.31, 49,365.33 and 20,663.60

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Solution

The fourth proportional to 35,770.31, 49,365.33 and 20,663.60 is: 28,517.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,770.31 : 49,365.33 = 20,663.60 : x
  2. Step 2: Convert to fraction form
    35,770.31/49,365.33 = 20,663.60/x
  3. Step 3: Cross multiply
    35,770.31x = 49,365.33 × 20,663.60
  4. Step 4: Simplify right side
    35,770.31x = 1,020,065,186.16
  5. Step 5: Solve for x
    x = 1,020,065,186.16/35,770.31
  6. Step 6: Final answer
    x = 28,517.10

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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.