Home / 55,913.41-83,867.40-20,850.34

Finding the Fourth Proportional to 55,913.41, 83,867.40 and 20,850.34

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Solution

The fourth proportional to 55,913.41, 83,867.40 and 20,850.34 is: 31,274.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,913.41 : 83,867.40 = 20,850.34 : x
  2. Step 2: Convert to fraction form
    55,913.41/83,867.40 = 20,850.34/x
  3. Step 3: Cross multiply
    55,913.41x = 83,867.40 × 20,850.34
  4. Step 4: Simplify right side
    55,913.41x = 1,748,663,804.92
  5. Step 5: Solve for x
    x = 1,748,663,804.92/55,913.41
  6. Step 6: Final answer
    x = 31,274.50

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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.