Home / 38,339.65-52,912.02-21,343.33

Finding the Fourth Proportional to 38,339.65, 52,912.02 and 21,343.33

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Solution

The fourth proportional to 38,339.65, 52,912.02 and 21,343.33 is: 29,455.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,339.65 : 52,912.02 = 21,343.33 : x
  2. Step 2: Convert to fraction form
    38,339.65/52,912.02 = 21,343.33/x
  3. Step 3: Cross multiply
    38,339.65x = 52,912.02 × 21,343.33
  4. Step 4: Simplify right side
    38,339.65x = 1,129,318,703.83
  5. Step 5: Solve for x
    x = 1,129,318,703.83/38,339.65
  6. Step 6: Final answer
    x = 29,455.63

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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.