Home / 42,920.28-64,383.30-14,843.07

Finding the Fourth Proportional to 42,920.28, 64,383.30 and 14,843.07

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Solution

The fourth proportional to 42,920.28, 64,383.30 and 14,843.07 is: 22,265.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,920.28 : 64,383.30 = 14,843.07 : x
  2. Step 2: Convert to fraction form
    42,920.28/64,383.30 = 14,843.07/x
  3. Step 3: Cross multiply
    42,920.28x = 64,383.30 × 14,843.07
  4. Step 4: Simplify right side
    42,920.28x = 955,645,828.73
  5. Step 5: Solve for x
    x = 955,645,828.73/42,920.28
  6. Step 6: Final answer
    x = 22,265.60

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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.