Home / 34,767.95-52,128.87-12,578.39

Finding the Fourth Proportional to 34,767.95, 52,128.87 and 12,578.39

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Solution

The fourth proportional to 34,767.95, 52,128.87 and 12,578.39 is: 18,859.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,767.95 : 52,128.87 = 12,578.39 : x
  2. Step 2: Convert to fraction form
    34,767.95/52,128.87 = 12,578.39/x
  3. Step 3: Cross multiply
    34,767.95x = 52,128.87 × 12,578.39
  4. Step 4: Simplify right side
    34,767.95x = 655,697,257.12
  5. Step 5: Solve for x
    x = 655,697,257.12/34,767.95
  6. Step 6: Final answer
    x = 18,859.24

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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.