Home / 65,333.10-97,999.65-18,579.90

Finding the Fourth Proportional to 65,333.10, 97,999.65 and 18,579.90

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Solution

The fourth proportional to 65,333.10, 97,999.65 and 18,579.90 is: 27,869.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,333.10 : 97,999.65 = 18,579.90 : x
  2. Step 2: Convert to fraction form
    65,333.10/97,999.65 = 18,579.90/x
  3. Step 3: Cross multiply
    65,333.10x = 97,999.65 × 18,579.90
  4. Step 4: Simplify right side
    65,333.10x = 1,820,823,697.04
  5. Step 5: Solve for x
    x = 1,820,823,697.04/65,333.10
  6. Step 6: Final answer
    x = 27,869.85

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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.