Home / 42,555.45-63,840.78-14,474.07

Finding the Fourth Proportional to 42,555.45, 63,840.78 and 14,474.07

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Solution

The fourth proportional to 42,555.45, 63,840.78 and 14,474.07 is: 21,713.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,555.45 : 63,840.78 = 14,474.07 : x
  2. Step 2: Convert to fraction form
    42,555.45/63,840.78 = 14,474.07/x
  3. Step 3: Cross multiply
    42,555.45x = 63,840.78 × 14,474.07
  4. Step 4: Simplify right side
    42,555.45x = 924,035,918.57
  5. Step 5: Solve for x
    x = 924,035,918.57/42,555.45
  6. Step 6: Final answer
    x = 21,713.69

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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.