Home / 43,275.04-64,912.56-10,443.04

Finding the Fourth Proportional to 43,275.04, 64,912.56 and 10,443.04

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Solution

The fourth proportional to 43,275.04, 64,912.56 and 10,443.04 is: 15,664.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,275.04 : 64,912.56 = 10,443.04 : x
  2. Step 2: Convert to fraction form
    43,275.04/64,912.56 = 10,443.04/x
  3. Step 3: Cross multiply
    43,275.04x = 64,912.56 × 10,443.04
  4. Step 4: Simplify right side
    43,275.04x = 677,884,460.58
  5. Step 5: Solve for x
    x = 677,884,460.58/43,275.04
  6. Step 6: Final answer
    x = 15,664.56

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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.