Home / 39,434.46-59,036.88-20,670

Finding the Fourth Proportional to 39,434.46, 59,036.88 and 20,670

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Solution

The fourth proportional to 39,434.46, 59,036.88 and 20,670 is: 30,944.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,434.46 : 59,036.88 = 20,670 : x
  2. Step 2: Convert to fraction form
    39,434.46/59,036.88 = 20,670/x
  3. Step 3: Cross multiply
    39,434.46x = 59,036.88 × 20,670
  4. Step 4: Simplify right side
    39,434.46x = 1,220,292,309.60
  5. Step 5: Solve for x
    x = 1,220,292,309.60/39,434.46
  6. Step 6: Final answer
    x = 30,944.82

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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.