Home / 52,286.16-78,429.24-19,000.02

Finding the Fourth Proportional to 52,286.16, 78,429.24 and 19,000.02

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Solution

The fourth proportional to 52,286.16, 78,429.24 and 19,000.02 is: 28,500.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,286.16 : 78,429.24 = 19,000.02 : x
  2. Step 2: Convert to fraction form
    52,286.16/78,429.24 = 19,000.02/x
  3. Step 3: Cross multiply
    52,286.16x = 78,429.24 × 19,000.02
  4. Step 4: Simplify right side
    52,286.16x = 1,490,157,128.58
  5. Step 5: Solve for x
    x = 1,490,157,128.58/52,286.16
  6. Step 6: Final answer
    x = 28,500.03

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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.