Home / 65,820.20-98,730.30-26,383.40

Finding the Fourth Proportional to 65,820.20, 98,730.30 and 26,383.40

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Solution

The fourth proportional to 65,820.20, 98,730.30 and 26,383.40 is: 39,575.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,820.20 : 98,730.30 = 26,383.40 : x
  2. Step 2: Convert to fraction form
    65,820.20/98,730.30 = 26,383.40/x
  3. Step 3: Cross multiply
    65,820.20x = 98,730.30 × 26,383.40
  4. Step 4: Simplify right side
    65,820.20x = 2,604,840,997.02
  5. Step 5: Solve for x
    x = 2,604,840,997.02/65,820.20
  6. Step 6: Final answer
    x = 39,575.10

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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.