Home / 50,739.40-76,109.10-15,689.80

Finding the Fourth Proportional to 50,739.40, 76,109.10 and 15,689.80

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Solution

The fourth proportional to 50,739.40, 76,109.10 and 15,689.80 is: 23,534.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,739.40 : 76,109.10 = 15,689.80 : x
  2. Step 2: Convert to fraction form
    50,739.40/76,109.10 = 15,689.80/x
  3. Step 3: Cross multiply
    50,739.40x = 76,109.10 × 15,689.80
  4. Step 4: Simplify right side
    50,739.40x = 1,194,136,557.18
  5. Step 5: Solve for x
    x = 1,194,136,557.18/50,739.40
  6. Step 6: Final answer
    x = 23,534.70

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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.