Home / 55,913.92-83,868.14-20,850.84

Finding the Fourth Proportional to 55,913.92, 83,868.14 and 20,850.84

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Solution

The fourth proportional to 55,913.92, 83,868.14 and 20,850.84 is: 31,275.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,913.92 : 83,868.14 = 20,850.84 : x
  2. Step 2: Convert to fraction form
    55,913.92/83,868.14 = 20,850.84/x
  3. Step 3: Cross multiply
    55,913.92x = 83,868.14 × 20,850.84
  4. Step 4: Simplify right side
    55,913.92x = 1,748,721,168.24
  5. Step 5: Solve for x
    x = 1,748,721,168.24/55,913.92
  6. Step 6: Final answer
    x = 31,275.24

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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.