Home / 39,177.60-58,774.96-12,881.12

Finding the Fourth Proportional to 39,177.60, 58,774.96 and 12,881.12

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Solution

The fourth proportional to 39,177.60, 58,774.96 and 12,881.12 is: 19,324.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,177.60 : 58,774.96 = 12,881.12 : x
  2. Step 2: Convert to fraction form
    39,177.60/58,774.96 = 12,881.12/x
  3. Step 3: Cross multiply
    39,177.60x = 58,774.96 × 12,881.12
  4. Step 4: Simplify right side
    39,177.60x = 757,087,312.76
  5. Step 5: Solve for x
    x = 757,087,312.76/39,177.60
  6. Step 6: Final answer
    x = 19,324.49

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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.