Home / 56,504.16-77,982-32,638.56

Finding the Fourth Proportional to 56,504.16, 77,982 and 32,638.56

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Solution

The fourth proportional to 56,504.16, 77,982 and 32,638.56 is: 45,044.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,504.16 : 77,982 = 32,638.56 : x
  2. Step 2: Convert to fraction form
    56,504.16/77,982 = 32,638.56/x
  3. Step 3: Cross multiply
    56,504.16x = 77,982 × 32,638.56
  4. Step 4: Simplify right side
    56,504.16x = 2,545,220,185.92
  5. Step 5: Solve for x
    x = 2,545,220,185.92/56,504.16
  6. Step 6: Final answer
    x = 45,044.83

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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.