Home / 43,275.36-64,913.04-10,443.36

Finding the Fourth Proportional to 43,275.36, 64,913.04 and 10,443.36

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Solution

The fourth proportional to 43,275.36, 64,913.04 and 10,443.36 is: 15,665.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,275.36 : 64,913.04 = 10,443.36 : x
  2. Step 2: Convert to fraction form
    43,275.36/64,913.04 = 10,443.36/x
  3. Step 3: Cross multiply
    43,275.36x = 64,913.04 × 10,443.36
  4. Step 4: Simplify right side
    43,275.36x = 677,910,245.41
  5. Step 5: Solve for x
    x = 677,910,245.41/43,275.36
  6. Step 6: Final answer
    x = 15,665.04

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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.