Home / 45,410.96-68,119.85-12,130.29

Finding the Fourth Proportional to 45,410.96, 68,119.85 and 12,130.29

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Solution

The fourth proportional to 45,410.96, 68,119.85 and 12,130.29 is: 18,196.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,410.96 : 68,119.85 = 12,130.29 : x
  2. Step 2: Convert to fraction form
    45,410.96/68,119.85 = 12,130.29/x
  3. Step 3: Cross multiply
    45,410.96x = 68,119.85 × 12,130.29
  4. Step 4: Simplify right side
    45,410.96x = 826,313,565.58
  5. Step 5: Solve for x
    x = 826,313,565.58/45,410.96
  6. Step 6: Final answer
    x = 18,196.35

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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.