Home / 50,986.64-76,490.90-21,387.41

Finding the Fourth Proportional to 50,986.64, 76,490.90 and 21,387.41

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Solution

The fourth proportional to 50,986.64, 76,490.90 and 21,387.41 is: 32,085.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,986.64 : 76,490.90 = 21,387.41 : x
  2. Step 2: Convert to fraction form
    50,986.64/76,490.90 = 21,387.41/x
  3. Step 3: Cross multiply
    50,986.64x = 76,490.90 × 21,387.41
  4. Step 4: Simplify right side
    50,986.64x = 1,635,941,750.18
  5. Step 5: Solve for x
    x = 1,635,941,750.18/50,986.64
  6. Step 6: Final answer
    x = 32,085.70

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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.