Home / 65,938.10-90,994.45-35,724.18

Finding the Fourth Proportional to 65,938.10, 90,994.45 and 35,724.18

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Solution

The fourth proportional to 65,938.10, 90,994.45 and 35,724.18 is: 49,299.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,938.10 : 90,994.45 = 35,724.18 : x
  2. Step 2: Convert to fraction form
    65,938.10/90,994.45 = 35,724.18/x
  3. Step 3: Cross multiply
    65,938.10x = 90,994.45 × 35,724.18
  4. Step 4: Simplify right side
    65,938.10x = 3,250,701,655.83
  5. Step 5: Solve for x
    x = 3,250,701,655.83/65,938.10
  6. Step 6: Final answer
    x = 49,299.29

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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.