Home / 39,600.30-59,400.45-20,873.10

Finding the Fourth Proportional to 39,600.30, 59,400.45 and 20,873.10

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Solution

The fourth proportional to 39,600.30, 59,400.45 and 20,873.10 is: 31,309.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,600.30 : 59,400.45 = 20,873.10 : x
  2. Step 2: Convert to fraction form
    39,600.30/59,400.45 = 20,873.10/x
  3. Step 3: Cross multiply
    39,600.30x = 59,400.45 × 20,873.10
  4. Step 4: Simplify right side
    39,600.30x = 1,239,871,532.90
  5. Step 5: Solve for x
    x = 1,239,871,532.90/39,600.30
  6. Step 6: Final answer
    x = 31,309.65

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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.