Home / 55,953.36-83,904.12-20,867.76

Finding the Fourth Proportional to 55,953.36, 83,904.12 and 20,867.76

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Solution

The fourth proportional to 55,953.36, 83,904.12 and 20,867.76 is: 31,291.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,953.36 : 83,904.12 = 20,867.76 : x
  2. Step 2: Convert to fraction form
    55,953.36/83,904.12 = 20,867.76/x
  3. Step 3: Cross multiply
    55,953.36x = 83,904.12 × 20,867.76
  4. Step 4: Simplify right side
    55,953.36x = 1,750,891,039.17
  5. Step 5: Solve for x
    x = 1,750,891,039.17/55,953.36
  6. Step 6: Final answer
    x = 31,291.97

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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.