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Finding the Fourth Proportional to 65,949.65, 91,014.98 and 37,259.36

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Solution

The fourth proportional to 65,949.65, 91,014.98 and 37,259.36 is: 51,420.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,949.65 : 91,014.98 = 37,259.36 : x
  2. Step 2: Convert to fraction form
    65,949.65/91,014.98 = 37,259.36/x
  3. Step 3: Cross multiply
    65,949.65x = 91,014.98 × 37,259.36
  4. Step 4: Simplify right side
    65,949.65x = 3,391,159,263.84
  5. Step 5: Solve for x
    x = 3,391,159,263.84/65,949.65
  6. Step 6: Final answer
    x = 51,420.43

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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.