Home / 55,300.77-82,867.08-40,519.47

Finding the Fourth Proportional to 55,300.77, 82,867.08 and 40,519.47

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Solution

The fourth proportional to 55,300.77, 82,867.08 and 40,519.47 is: 60,717.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,300.77 : 82,867.08 = 40,519.47 : x
  2. Step 2: Convert to fraction form
    55,300.77/82,867.08 = 40,519.47/x
  3. Step 3: Cross multiply
    55,300.77x = 82,867.08 × 40,519.47
  4. Step 4: Simplify right side
    55,300.77x = 3,357,730,162.05
  5. Step 5: Solve for x
    x = 3,357,730,162.05/55,300.77
  6. Step 6: Final answer
    x = 60,717.60

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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.