Home / 52,909.12-73,015.28-29,035.36

Finding the Fourth Proportional to 52,909.12, 73,015.28 and 29,035.36

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Solution

The fourth proportional to 52,909.12, 73,015.28 and 29,035.36 is: 40,069.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,909.12 : 73,015.28 = 29,035.36 : x
  2. Step 2: Convert to fraction form
    52,909.12/73,015.28 = 29,035.36/x
  3. Step 3: Cross multiply
    52,909.12x = 73,015.28 × 29,035.36
  4. Step 4: Simplify right side
    52,909.12x = 2,120,024,940.30
  5. Step 5: Solve for x
    x = 2,120,024,940.30/52,909.12
  6. Step 6: Final answer
    x = 40,069.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.