Home / 43,272.71-64,905.41-13,686.24

Finding the Fourth Proportional to 43,272.71, 64,905.41 and 13,686.24

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Solution

The fourth proportional to 43,272.71, 64,905.41 and 13,686.24 is: 20,528.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,272.71 : 64,905.41 = 13,686.24 : x
  2. Step 2: Convert to fraction form
    43,272.71/64,905.41 = 13,686.24/x
  3. Step 3: Cross multiply
    43,272.71x = 64,905.41 × 13,686.24
  4. Step 4: Simplify right side
    43,272.71x = 888,311,018.56
  5. Step 5: Solve for x
    x = 888,311,018.56/43,272.71
  6. Step 6: Final answer
    x = 20,528.20

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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.