Home / 39,179.08-58,756.14-12,877.74

Finding the Fourth Proportional to 39,179.08, 58,756.14 and 12,877.74

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Solution

The fourth proportional to 39,179.08, 58,756.14 and 12,877.74 is: 19,312.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,179.08 : 58,756.14 = 12,877.74 : x
  2. Step 2: Convert to fraction form
    39,179.08/58,756.14 = 12,877.74/x
  3. Step 3: Cross multiply
    39,179.08x = 58,756.14 × 12,877.74
  4. Step 4: Simplify right side
    39,179.08x = 756,646,294.32
  5. Step 5: Solve for x
    x = 756,646,294.32/39,179.08
  6. Step 6: Final answer
    x = 19,312.51

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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.