Home / 62,856.56-94,264.81-20,728.76

Finding the Fourth Proportional to 62,856.56, 94,264.81 and 20,728.76

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Solution

The fourth proportional to 62,856.56, 94,264.81 and 20,728.76 is: 31,086.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,856.56 : 94,264.81 = 20,728.76 : x
  2. Step 2: Convert to fraction form
    62,856.56/94,264.81 = 20,728.76/x
  3. Step 3: Cross multiply
    62,856.56x = 94,264.81 × 20,728.76
  4. Step 4: Simplify right side
    62,856.56x = 1,953,992,746.63
  5. Step 5: Solve for x
    x = 1,953,992,746.63/62,856.56
  6. Step 6: Final answer
    x = 31,086.54

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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.