Home / 64,740.50-97,110.78-17,993.78

Finding the Fourth Proportional to 64,740.50, 97,110.78 and 17,993.78

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Solution

The fourth proportional to 64,740.50, 97,110.78 and 17,993.78 is: 26,990.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,740.50 : 97,110.78 = 17,993.78 : x
  2. Step 2: Convert to fraction form
    64,740.50/97,110.78 = 17,993.78/x
  3. Step 3: Cross multiply
    64,740.50x = 97,110.78 × 17,993.78
  4. Step 4: Simplify right side
    64,740.50x = 1,747,390,010.95
  5. Step 5: Solve for x
    x = 1,747,390,010.95/64,740.50
  6. Step 6: Final answer
    x = 26,990.68

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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.