Home / 42,883.40-64,186.86-22,078.28

Finding the Fourth Proportional to 42,883.40, 64,186.86 and 22,078.28

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Solution

The fourth proportional to 42,883.40, 64,186.86 and 22,078.28 is: 33,046.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,883.40 : 64,186.86 = 22,078.28 : x
  2. Step 2: Convert to fraction form
    42,883.40/64,186.86 = 22,078.28/x
  3. Step 3: Cross multiply
    42,883.40x = 64,186.86 × 22,078.28
  4. Step 4: Simplify right side
    42,883.40x = 1,417,135,467.40
  5. Step 5: Solve for x
    x = 1,417,135,467.40/42,883.40
  6. Step 6: Final answer
    x = 33,046.25

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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.