Home / 66,451.04-91,704.65-36,238.01

Finding the Fourth Proportional to 66,451.04, 91,704.65 and 36,238.01

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Solution

The fourth proportional to 66,451.04, 91,704.65 and 36,238.01 is: 50,009.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,451.04 : 91,704.65 = 36,238.01 : x
  2. Step 2: Convert to fraction form
    66,451.04/91,704.65 = 36,238.01/x
  3. Step 3: Cross multiply
    66,451.04x = 91,704.65 × 36,238.01
  4. Step 4: Simplify right side
    66,451.04x = 3,323,194,259.71
  5. Step 5: Solve for x
    x = 3,323,194,259.71/66,451.04
  6. Step 6: Final answer
    x = 50,009.67

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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.