Home / 51,000.38-76,488.96-19,399.15

Finding the Fourth Proportional to 51,000.38, 76,488.96 and 19,399.15

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Solution

The fourth proportional to 51,000.38, 76,488.96 and 19,399.15 is: 29,094.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,000.38 : 76,488.96 = 19,399.15 : x
  2. Step 2: Convert to fraction form
    51,000.38/76,488.96 = 19,399.15/x
  3. Step 3: Cross multiply
    51,000.38x = 76,488.96 × 19,399.15
  4. Step 4: Simplify right side
    51,000.38x = 1,483,820,437.37
  5. Step 5: Solve for x
    x = 1,483,820,437.37/51,000.38
  6. Step 6: Final answer
    x = 29,094.30

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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.