Home / 42,816.26-64,180.64-14,727.90

Finding the Fourth Proportional to 42,816.26, 64,180.64 and 14,727.90

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Solution

The fourth proportional to 42,816.26, 64,180.64 and 14,727.90 is: 22,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,816.26 : 64,180.64 = 14,727.90 : x
  2. Step 2: Convert to fraction form
    42,816.26/64,180.64 = 14,727.90/x
  3. Step 3: Cross multiply
    42,816.26x = 64,180.64 × 14,727.90
  4. Step 4: Simplify right side
    42,816.26x = 945,246,047.86
  5. Step 5: Solve for x
    x = 945,246,047.86/42,816.26
  6. Step 6: Final answer
    x = 22,076.80

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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.