Home / 39,175.49-58,767.41-12,512.16

Finding the Fourth Proportional to 39,175.49, 58,767.41 and 12,512.16

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Solution

The fourth proportional to 39,175.49, 58,767.41 and 12,512.16 is: 18,769.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,175.49 : 58,767.41 = 12,512.16 : x
  2. Step 2: Convert to fraction form
    39,175.49/58,767.41 = 12,512.16/x
  3. Step 3: Cross multiply
    39,175.49x = 58,767.41 × 12,512.16
  4. Step 4: Simplify right side
    39,175.49x = 735,307,236.71
  5. Step 5: Solve for x
    x = 735,307,236.71/39,175.49
  6. Step 6: Final answer
    x = 18,769.57

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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.