Home / 43,070.32-64,618.44-13,491.28

Finding the Fourth Proportional to 43,070.32, 64,618.44 and 13,491.28

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Solution

The fourth proportional to 43,070.32, 64,618.44 and 13,491.28 is: 20,240.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,070.32 : 64,618.44 = 13,491.28 : x
  2. Step 2: Convert to fraction form
    43,070.32/64,618.44 = 13,491.28/x
  3. Step 3: Cross multiply
    43,070.32x = 64,618.44 × 13,491.28
  4. Step 4: Simplify right side
    43,070.32x = 871,785,467.20
  5. Step 5: Solve for x
    x = 871,785,467.20/43,070.32
  6. Step 6: Final answer
    x = 20,240.98

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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.