Home / 53,051.33-73,211.45-29,178.40

Finding the Fourth Proportional to 53,051.33, 73,211.45 and 29,178.40

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Solution

The fourth proportional to 53,051.33, 73,211.45 and 29,178.40 is: 40,266.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,051.33 : 73,211.45 = 29,178.40 : x
  2. Step 2: Convert to fraction form
    53,051.33/73,211.45 = 29,178.40/x
  3. Step 3: Cross multiply
    53,051.33x = 73,211.45 × 29,178.40
  4. Step 4: Simplify right side
    53,051.33x = 2,136,192,972.68
  5. Step 5: Solve for x
    x = 2,136,192,972.68/53,051.33
  6. Step 6: Final answer
    x = 40,266.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.