Home / 65,955.28-98,965.40-30,888.88

Finding the Fourth Proportional to 65,955.28, 98,965.40 and 30,888.88

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Solution

The fourth proportional to 65,955.28, 98,965.40 and 30,888.88 is: 46,348.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,955.28 : 98,965.40 = 30,888.88 : x
  2. Step 2: Convert to fraction form
    65,955.28/98,965.40 = 30,888.88/x
  3. Step 3: Cross multiply
    65,955.28x = 98,965.40 × 30,888.88
  4. Step 4: Simplify right side
    65,955.28x = 3,056,930,364.75
  5. Step 5: Solve for x
    x = 3,056,930,364.75/65,955.28
  6. Step 6: Final answer
    x = 46,348.53

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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.