Home / 39,177.66-58,767.86-12,884.45

Finding the Fourth Proportional to 39,177.66, 58,767.86 and 12,884.45

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Solution

The fourth proportional to 39,177.66, 58,767.86 and 12,884.45 is: 19,327.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,177.66 : 58,767.86 = 12,884.45 : x
  2. Step 2: Convert to fraction form
    39,177.66/58,767.86 = 12,884.45/x
  3. Step 3: Cross multiply
    39,177.66x = 58,767.86 × 12,884.45
  4. Step 4: Simplify right side
    39,177.66x = 757,191,195.52
  5. Step 5: Solve for x
    x = 757,191,195.52/39,177.66
  6. Step 6: Final answer
    x = 19,327.12

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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.