Home / 79,639.68-119,459.52-32,841.12

Finding the Fourth Proportional to 79,639.68, 119,459.52 and 32,841.12

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Solution

The fourth proportional to 79,639.68, 119,459.52 and 32,841.12 is: 49,261.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,639.68 : 119,459.52 = 32,841.12 : x
  2. Step 2: Convert to fraction form
    79,639.68/119,459.52 = 32,841.12/x
  3. Step 3: Cross multiply
    79,639.68x = 119,459.52 × 32,841.12
  4. Step 4: Simplify right side
    79,639.68x = 3,923,184,431.46
  5. Step 5: Solve for x
    x = 3,923,184,431.46/79,639.68
  6. Step 6: Final answer
    x = 49,261.68

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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.