Home / 43,156.71-64,733.54-15,076.64

Finding the Fourth Proportional to 43,156.71, 64,733.54 and 15,076.64

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Solution

The fourth proportional to 43,156.71, 64,733.54 and 15,076.64 is: 22,614.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,156.71 : 64,733.54 = 15,076.64 : x
  2. Step 2: Convert to fraction form
    43,156.71/64,733.54 = 15,076.64/x
  3. Step 3: Cross multiply
    43,156.71x = 64,733.54 × 15,076.64
  4. Step 4: Simplify right side
    43,156.71x = 975,963,879.45
  5. Step 5: Solve for x
    x = 975,963,879.45/43,156.71
  6. Step 6: Final answer
    x = 22,614.42

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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.