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Finding the Fourth Proportional to 64,501.56, 89,014.40 and 35,821.70

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Solution

The fourth proportional to 64,501.56, 89,014.40 and 35,821.70 is: 49,435.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,501.56 : 89,014.40 = 35,821.70 : x
  2. Step 2: Convert to fraction form
    64,501.56/89,014.40 = 35,821.70/x
  3. Step 3: Cross multiply
    64,501.56x = 89,014.40 × 35,821.70
  4. Step 4: Simplify right side
    64,501.56x = 3,188,647,444.57
  5. Step 5: Solve for x
    x = 3,188,647,444.57/64,501.56
  6. Step 6: Final answer
    x = 49,435.20

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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.