Home / 39,176.82-58,752.77-12,875.49

Finding the Fourth Proportional to 39,176.82, 58,752.77 and 12,875.49

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Solution

The fourth proportional to 39,176.82, 58,752.77 and 12,875.49 is: 19,309.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,176.82 : 58,752.77 = 12,875.49 : x
  2. Step 2: Convert to fraction form
    39,176.82/58,752.77 = 12,875.49/x
  3. Step 3: Cross multiply
    39,176.82x = 58,752.77 × 12,875.49
  4. Step 4: Simplify right side
    39,176.82x = 756,470,638.23
  5. Step 5: Solve for x
    x = 756,470,638.23/39,176.82
  6. Step 6: Final answer
    x = 19,309.14

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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.