Home / 38,337.90-52,907.85-21,342.84

Finding the Fourth Proportional to 38,337.90, 52,907.85 and 21,342.84

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Solution

The fourth proportional to 38,337.90, 52,907.85 and 21,342.84 is: 29,453.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,337.90 : 52,907.85 = 21,342.84 : x
  2. Step 2: Convert to fraction form
    38,337.90/52,907.85 = 21,342.84/x
  3. Step 3: Cross multiply
    38,337.90x = 52,907.85 × 21,342.84
  4. Step 4: Simplify right side
    38,337.90x = 1,129,203,777.29
  5. Step 5: Solve for x
    x = 1,129,203,777.29/38,337.90
  6. Step 6: Final answer
    x = 29,453.98

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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.