Home / 42,903.26-64,353.96-11,738.51

Finding the Fourth Proportional to 42,903.26, 64,353.96 and 11,738.51

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Solution

The fourth proportional to 42,903.26, 64,353.96 and 11,738.51 is: 17,607.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,903.26 : 64,353.96 = 11,738.51 : x
  2. Step 2: Convert to fraction form
    42,903.26/64,353.96 = 11,738.51/x
  3. Step 3: Cross multiply
    42,903.26x = 64,353.96 × 11,738.51
  4. Step 4: Simplify right side
    42,903.26x = 755,419,603.00
  5. Step 5: Solve for x
    x = 755,419,603.00/42,903.26
  6. Step 6: Final answer
    x = 17,607.51

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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.