Home / 29,942.10-45,010.35-21,237.30

Finding the Fourth Proportional to 29,942.10, 45,010.35 and 21,237.30

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Solution

The fourth proportional to 29,942.10, 45,010.35 and 21,237.30 is: 31,924.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,942.10 : 45,010.35 = 21,237.30 : x
  2. Step 2: Convert to fraction form
    29,942.10/45,010.35 = 21,237.30/x
  3. Step 3: Cross multiply
    29,942.10x = 45,010.35 × 21,237.30
  4. Step 4: Simplify right side
    29,942.10x = 955,898,306.06
  5. Step 5: Solve for x
    x = 955,898,306.06/29,942.10
  6. Step 6: Final answer
    x = 31,924.89

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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.