Home / 51,592.83-77,372.99-20,000.70

Finding the Fourth Proportional to 51,592.83, 77,372.99 and 20,000.70

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Solution

The fourth proportional to 51,592.83, 77,372.99 and 20,000.70 is: 29,994.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,592.83 : 77,372.99 = 20,000.70 : x
  2. Step 2: Convert to fraction form
    51,592.83/77,372.99 = 20,000.70/x
  3. Step 3: Cross multiply
    51,592.83x = 77,372.99 × 20,000.70
  4. Step 4: Simplify right side
    51,592.83x = 1,547,513,936.09
  5. Step 5: Solve for x
    x = 1,547,513,936.09/51,592.83
  6. Step 6: Final answer
    x = 29,994.75

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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.