Home / 65,938.89-90,995.55-35,724.97

Finding the Fourth Proportional to 65,938.89, 90,995.55 and 35,724.97

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Solution

The fourth proportional to 65,938.89, 90,995.55 and 35,724.97 is: 49,300.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,938.89 : 90,995.55 = 35,724.97 : x
  2. Step 2: Convert to fraction form
    65,938.89/90,995.55 = 35,724.97/x
  3. Step 3: Cross multiply
    65,938.89x = 90,995.55 × 35,724.97
  4. Step 4: Simplify right side
    65,938.89x = 3,250,812,962.76
  5. Step 5: Solve for x
    x = 3,250,812,962.76/65,938.89
  6. Step 6: Final answer
    x = 49,300.39

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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.