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Finding the Fourth Proportional to 32,876.98, 49,318.20 and 14,157.48

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Solution

The fourth proportional to 32,876.98, 49,318.20 and 14,157.48 is: 21,237.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,876.98 : 49,318.20 = 14,157.48 : x
  2. Step 2: Convert to fraction form
    32,876.98/49,318.20 = 14,157.48/x
  3. Step 3: Cross multiply
    32,876.98x = 49,318.20 × 14,157.48
  4. Step 4: Simplify right side
    32,876.98x = 698,221,430.14
  5. Step 5: Solve for x
    x = 698,221,430.14/32,876.98
  6. Step 6: Final answer
    x = 21,237.40

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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.