Home / 65,947.28-98,953.40-30,880.88

Finding the Fourth Proportional to 65,947.28, 98,953.40 and 30,880.88

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Solution

The fourth proportional to 65,947.28, 98,953.40 and 30,880.88 is: 46,336.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,947.28 : 98,953.40 = 30,880.88 : x
  2. Step 2: Convert to fraction form
    65,947.28/98,953.40 = 30,880.88/x
  3. Step 3: Cross multiply
    65,947.28x = 98,953.40 × 30,880.88
  4. Step 4: Simplify right side
    65,947.28x = 3,055,768,070.99
  5. Step 5: Solve for x
    x = 3,055,768,070.99/65,947.28
  6. Step 6: Final answer
    x = 46,336.53

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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.