Home / 42,276.58-63,420.70-14,204.66

Finding the Fourth Proportional to 42,276.58, 63,420.70 and 14,204.66

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Solution

The fourth proportional to 42,276.58, 63,420.70 and 14,204.66 is: 21,308.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,276.58 : 63,420.70 = 14,204.66 : x
  2. Step 2: Convert to fraction form
    42,276.58/63,420.70 = 14,204.66/x
  3. Step 3: Cross multiply
    42,276.58x = 63,420.70 × 14,204.66
  4. Step 4: Simplify right side
    42,276.58x = 900,869,418.94
  5. Step 5: Solve for x
    x = 900,869,418.94/42,276.58
  6. Step 6: Final answer
    x = 21,308.95

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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.