Home / 35,369.80-53,086.37-31,615.60

Finding the Fourth Proportional to 35,369.80, 53,086.37 and 31,615.60

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Solution

The fourth proportional to 35,369.80, 53,086.37 and 31,615.60 is: 47,451.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,369.80 : 53,086.37 = 31,615.60 : x
  2. Step 2: Convert to fraction form
    35,369.80/53,086.37 = 31,615.60/x
  3. Step 3: Cross multiply
    35,369.80x = 53,086.37 × 31,615.60
  4. Step 4: Simplify right side
    35,369.80x = 1,678,357,439.37
  5. Step 5: Solve for x
    x = 1,678,357,439.37/35,369.80
  6. Step 6: Final answer
    x = 47,451.71

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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.