Home / 39,516.08-59,277.35-13,221.05

Finding the Fourth Proportional to 39,516.08, 59,277.35 and 13,221.05

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Solution

The fourth proportional to 39,516.08, 59,277.35 and 13,221.05 is: 19,832.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,516.08 : 59,277.35 = 13,221.05 : x
  2. Step 2: Convert to fraction form
    39,516.08/59,277.35 = 13,221.05/x
  3. Step 3: Cross multiply
    39,516.08x = 59,277.35 × 13,221.05
  4. Step 4: Simplify right side
    39,516.08x = 783,708,544.88
  5. Step 5: Solve for x
    x = 783,708,544.88/39,516.08
  6. Step 6: Final answer
    x = 19,832.65

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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.