Home / 42,307.78-63,468.96-14,230.48

Finding the Fourth Proportional to 42,307.78, 63,468.96 and 14,230.48

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Solution

The fourth proportional to 42,307.78, 63,468.96 and 14,230.48 is: 21,348.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,307.78 : 63,468.96 = 14,230.48 : x
  2. Step 2: Convert to fraction form
    42,307.78/63,468.96 = 14,230.48/x
  3. Step 3: Cross multiply
    42,307.78x = 63,468.96 × 14,230.48
  4. Step 4: Simplify right side
    42,307.78x = 903,193,765.90
  5. Step 5: Solve for x
    x = 903,193,765.90/42,307.78
  6. Step 6: Final answer
    x = 21,348.17

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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.