Home / 42,258.88-63,390.14-15,965.68

Finding the Fourth Proportional to 42,258.88, 63,390.14 and 15,965.68

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Solution

The fourth proportional to 42,258.88, 63,390.14 and 15,965.68 is: 23,949.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,258.88 : 63,390.14 = 15,965.68 : x
  2. Step 2: Convert to fraction form
    42,258.88/63,390.14 = 15,965.68/x
  3. Step 3: Cross multiply
    42,258.88x = 63,390.14 × 15,965.68
  4. Step 4: Simplify right side
    42,258.88x = 1,012,066,690.40
  5. Step 5: Solve for x
    x = 1,012,066,690.40/42,258.88
  6. Step 6: Final answer
    x = 23,949.21

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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.