Home / 64,191.20-96,206.58-30,902.36

Finding the Fourth Proportional to 64,191.20, 96,206.58 and 30,902.36

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Solution

The fourth proportional to 64,191.20, 96,206.58 and 30,902.36 is: 46,314.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,191.20 : 96,206.58 = 30,902.36 : x
  2. Step 2: Convert to fraction form
    64,191.20/96,206.58 = 30,902.36/x
  3. Step 3: Cross multiply
    64,191.20x = 96,206.58 × 30,902.36
  4. Step 4: Simplify right side
    64,191.20x = 2,973,010,369.53
  5. Step 5: Solve for x
    x = 2,973,010,369.53/64,191.20
  6. Step 6: Final answer
    x = 46,314.92

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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.