Home / 39,176.16-58,774.04-12,881.08

Finding the Fourth Proportional to 39,176.16, 58,774.04 and 12,881.08

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Solution

The fourth proportional to 39,176.16, 58,774.04 and 12,881.08 is: 19,324.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,176.16 : 58,774.04 = 12,881.08 : x
  2. Step 2: Convert to fraction form
    39,176.16/58,774.04 = 12,881.08/x
  3. Step 3: Cross multiply
    39,176.16x = 58,774.04 × 12,881.08
  4. Step 4: Simplify right side
    39,176.16x = 757,073,111.16
  5. Step 5: Solve for x
    x = 757,073,111.16/39,176.16
  6. Step 6: Final answer
    x = 19,324.84

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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.