Home / 38,188.02-52,709.49-21,426.42

Finding the Fourth Proportional to 38,188.02, 52,709.49 and 21,426.42

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Solution

The fourth proportional to 38,188.02, 52,709.49 and 21,426.42 is: 29,574.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,188.02 : 52,709.49 = 21,426.42 : x
  2. Step 2: Convert to fraction form
    38,188.02/52,709.49 = 21,426.42/x
  3. Step 3: Cross multiply
    38,188.02x = 52,709.49 × 21,426.42
  4. Step 4: Simplify right side
    38,188.02x = 1,129,375,670.73
  5. Step 5: Solve for x
    x = 1,129,375,670.73/38,188.02
  6. Step 6: Final answer
    x = 29,574.08

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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.