Home / 39,911.16-59,903.84-20,203.68

Finding the Fourth Proportional to 39,911.16, 59,903.84 and 20,203.68

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Solution

The fourth proportional to 39,911.16, 59,903.84 and 20,203.68 is: 30,324.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,911.16 : 59,903.84 = 20,203.68 : x
  2. Step 2: Convert to fraction form
    39,911.16/59,903.84 = 20,203.68/x
  3. Step 3: Cross multiply
    39,911.16x = 59,903.84 × 20,203.68
  4. Step 4: Simplify right side
    39,911.16x = 1,210,278,014.13
  5. Step 5: Solve for x
    x = 1,210,278,014.13/39,911.16
  6. Step 6: Final answer
    x = 30,324.30

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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.