Home / 56,727.12-78,300.68-32,859.68

Finding the Fourth Proportional to 56,727.12, 78,300.68 and 32,859.68

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Solution

The fourth proportional to 56,727.12, 78,300.68 and 32,859.68 is: 45,356.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,727.12 : 78,300.68 = 32,859.68 : x
  2. Step 2: Convert to fraction form
    56,727.12/78,300.68 = 32,859.68/x
  3. Step 3: Cross multiply
    56,727.12x = 78,300.68 × 32,859.68
  4. Step 4: Simplify right side
    56,727.12x = 2,572,935,288.58
  5. Step 5: Solve for x
    x = 2,572,935,288.58/56,727.12
  6. Step 6: Final answer
    x = 45,356.35

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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.