Home / 35,118.36-52,652.94-12,928.86

Finding the Fourth Proportional to 35,118.36, 52,652.94 and 12,928.86

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Solution

The fourth proportional to 35,118.36, 52,652.94 and 12,928.86 is: 19,384.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,118.36 : 52,652.94 = 12,928.86 : x
  2. Step 2: Convert to fraction form
    35,118.36/52,652.94 = 12,928.86/x
  3. Step 3: Cross multiply
    35,118.36x = 52,652.94 × 12,928.86
  4. Step 4: Simplify right side
    35,118.36x = 680,742,489.85
  5. Step 5: Solve for x
    x = 680,742,489.85/35,118.36
  6. Step 6: Final answer
    x = 19,384.23

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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.