Home / 42,943.24-64,407.42-11,353.64

Finding the Fourth Proportional to 42,943.24, 64,407.42 and 11,353.64

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Solution

The fourth proportional to 42,943.24, 64,407.42 and 11,353.64 is: 17,028.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,943.24 : 64,407.42 = 11,353.64 : x
  2. Step 2: Convert to fraction form
    42,943.24/64,407.42 = 11,353.64/x
  3. Step 3: Cross multiply
    42,943.24x = 64,407.42 × 11,353.64
  4. Step 4: Simplify right side
    42,943.24x = 731,258,660.01
  5. Step 5: Solve for x
    x = 731,258,660.01/42,943.24
  6. Step 6: Final answer
    x = 17,028.49

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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.