Home / 65,928.89-90,982.30-35,714.21

Finding the Fourth Proportional to 65,928.89, 90,982.30 and 35,714.21

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Solution

The fourth proportional to 65,928.89, 90,982.30 and 35,714.21 is: 49,285.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,928.89 : 90,982.30 = 35,714.21 : x
  2. Step 2: Convert to fraction form
    65,928.89/90,982.30 = 35,714.21/x
  3. Step 3: Cross multiply
    65,928.89x = 90,982.30 × 35,714.21
  4. Step 4: Simplify right side
    65,928.89x = 3,249,360,968.48
  5. Step 5: Solve for x
    x = 3,249,360,968.48/65,928.89
  6. Step 6: Final answer
    x = 49,285.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.