Home / 42,107.36-63,199.29-22,402.40

Finding the Fourth Proportional to 42,107.36, 63,199.29 and 22,402.40

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Solution

The fourth proportional to 42,107.36, 63,199.29 and 22,402.40 is: 33,623.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,107.36 : 63,199.29 = 22,402.40 : x
  2. Step 2: Convert to fraction form
    42,107.36/63,199.29 = 22,402.40/x
  3. Step 3: Cross multiply
    42,107.36x = 63,199.29 × 22,402.40
  4. Step 4: Simplify right side
    42,107.36x = 1,415,815,774.30
  5. Step 5: Solve for x
    x = 1,415,815,774.30/42,107.36
  6. Step 6: Final answer
    x = 33,623.95

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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.