Home / 42,429.45-63,644.35-14,349.65

Finding the Fourth Proportional to 42,429.45, 63,644.35 and 14,349.65

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Solution

The fourth proportional to 42,429.45, 63,644.35 and 14,349.65 is: 21,524.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,429.45 : 63,644.35 = 14,349.65 : x
  2. Step 2: Convert to fraction form
    42,429.45/63,644.35 = 14,349.65/x
  3. Step 3: Cross multiply
    42,429.45x = 63,644.35 × 14,349.65
  4. Step 4: Simplify right side
    42,429.45x = 913,274,146.98
  5. Step 5: Solve for x
    x = 913,274,146.98/42,429.45
  6. Step 6: Final answer
    x = 21,524.53

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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.