Home / 42,014.88-63,028.68-14,306.40

Finding the Fourth Proportional to 42,014.88, 63,028.68 and 14,306.40

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Solution

The fourth proportional to 42,014.88, 63,028.68 and 14,306.40 is: 21,461.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,014.88 : 63,028.68 = 14,306.40 : x
  2. Step 2: Convert to fraction form
    42,014.88/63,028.68 = 14,306.40/x
  3. Step 3: Cross multiply
    42,014.88x = 63,028.68 × 14,306.40
  4. Step 4: Simplify right side
    42,014.88x = 901,713,507.55
  5. Step 5: Solve for x
    x = 901,713,507.55/42,014.88
  6. Step 6: Final answer
    x = 21,461.77

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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.