Home / 51,190.08-70,641.12-28,529.04

Finding the Fourth Proportional to 51,190.08, 70,641.12 and 28,529.04

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Solution

The fourth proportional to 51,190.08, 70,641.12 and 28,529.04 is: 39,369.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,190.08 : 70,641.12 = 28,529.04 : x
  2. Step 2: Convert to fraction form
    51,190.08/70,641.12 = 28,529.04/x
  3. Step 3: Cross multiply
    51,190.08x = 70,641.12 × 28,529.04
  4. Step 4: Simplify right side
    51,190.08x = 2,015,323,338.12
  5. Step 5: Solve for x
    x = 2,015,323,338.12/51,190.08
  6. Step 6: Final answer
    x = 39,369.41

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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.