Home / 39,909.42-59,901.23-20,201.94

Finding the Fourth Proportional to 39,909.42, 59,901.23 and 20,201.94

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Solution

The fourth proportional to 39,909.42, 59,901.23 and 20,201.94 is: 30,321.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,909.42 : 59,901.23 = 20,201.94 : x
  2. Step 2: Convert to fraction form
    39,909.42/59,901.23 = 20,201.94/x
  3. Step 3: Cross multiply
    39,909.42x = 59,901.23 × 20,201.94
  4. Step 4: Simplify right side
    39,909.42x = 1,210,120,953.38
  5. Step 5: Solve for x
    x = 1,210,120,953.38/39,909.42
  6. Step 6: Final answer
    x = 30,321.69

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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.