Home / 42,449.75-63,630.81-14,360.57

Finding the Fourth Proportional to 42,449.75, 63,630.81 and 14,360.57

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Solution

The fourth proportional to 42,449.75, 63,630.81 and 14,360.57 is: 21,526.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,449.75 : 63,630.81 = 14,360.57 : x
  2. Step 2: Convert to fraction form
    42,449.75/63,630.81 = 14,360.57/x
  3. Step 3: Cross multiply
    42,449.75x = 63,630.81 × 14,360.57
  4. Step 4: Simplify right side
    42,449.75x = 913,774,383.01
  5. Step 5: Solve for x
    x = 913,774,383.01/42,449.75
  6. Step 6: Final answer
    x = 21,526.03

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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.