Home / 39,917.68-59,913.60-20,210.20

Finding the Fourth Proportional to 39,917.68, 59,913.60 and 20,210.20

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Solution

The fourth proportional to 39,917.68, 59,913.60 and 20,210.20 is: 30,334.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,917.68 : 59,913.60 = 20,210.20 : x
  2. Step 2: Convert to fraction form
    39,917.68/59,913.60 = 20,210.20/x
  3. Step 3: Cross multiply
    39,917.68x = 59,913.60 × 20,210.20
  4. Step 4: Simplify right side
    39,917.68x = 1,210,865,838.72
  5. Step 5: Solve for x
    x = 1,210,865,838.72/39,917.68
  6. Step 6: Final answer
    x = 30,334.07

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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.