Home / 42,334.45-63,478.99-14,245.17

Finding the Fourth Proportional to 42,334.45, 63,478.99 and 14,245.17

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Solution

The fourth proportional to 42,334.45, 63,478.99 and 14,245.17 is: 21,360.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,334.45 : 63,478.99 = 14,245.17 : x
  2. Step 2: Convert to fraction form
    42,334.45/63,478.99 = 14,245.17/x
  3. Step 3: Cross multiply
    42,334.45x = 63,478.99 × 14,245.17
  4. Step 4: Simplify right side
    42,334.45x = 904,268,783.74
  5. Step 5: Solve for x
    x = 904,268,783.74/42,334.45
  6. Step 6: Final answer
    x = 21,360.12

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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.