Home / 38,250.65-52,784.84-21,254.45

Finding the Fourth Proportional to 38,250.65, 52,784.84 and 21,254.45

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Solution

The fourth proportional to 38,250.65, 52,784.84 and 21,254.45 is: 29,330.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,250.65 : 52,784.84 = 21,254.45 : x
  2. Step 2: Convert to fraction form
    38,250.65/52,784.84 = 21,254.45/x
  3. Step 3: Cross multiply
    38,250.65x = 52,784.84 × 21,254.45
  4. Step 4: Simplify right side
    38,250.65x = 1,121,912,768.89
  5. Step 5: Solve for x
    x = 1,121,912,768.89/38,250.65
  6. Step 6: Final answer
    x = 29,330.56

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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.