Home / 62,904.64-94,362.90-20,785

Finding the Fourth Proportional to 62,904.64, 94,362.90 and 20,785

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Solution

The fourth proportional to 62,904.64, 94,362.90 and 20,785 is: 31,179.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,904.64 : 94,362.90 = 20,785 : x
  2. Step 2: Convert to fraction form
    62,904.64/94,362.90 = 20,785/x
  3. Step 3: Cross multiply
    62,904.64x = 94,362.90 × 20,785
  4. Step 4: Simplify right side
    62,904.64x = 1,961,332,876.50
  5. Step 5: Solve for x
    x = 1,961,332,876.50/62,904.64
  6. Step 6: Final answer
    x = 31,179.46

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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.