Home / 43,267.50-64,901.25-12,102.75

Finding the Fourth Proportional to 43,267.50, 64,901.25 and 12,102.75

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Solution

The fourth proportional to 43,267.50, 64,901.25 and 12,102.75 is: 18,154.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,267.50 : 64,901.25 = 12,102.75 : x
  2. Step 2: Convert to fraction form
    43,267.50/64,901.25 = 12,102.75/x
  3. Step 3: Cross multiply
    43,267.50x = 64,901.25 × 12,102.75
  4. Step 4: Simplify right side
    43,267.50x = 785,483,603.44
  5. Step 5: Solve for x
    x = 785,483,603.44/43,267.50
  6. Step 6: Final answer
    x = 18,154.13

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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.