Home / 34,260.10-51,404.55-18,688.90

Finding the Fourth Proportional to 34,260.10, 51,404.55 and 18,688.90

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Solution

The fourth proportional to 34,260.10, 51,404.55 and 18,688.90 is: 28,041.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,260.10 : 51,404.55 = 18,688.90 : x
  2. Step 2: Convert to fraction form
    34,260.10/51,404.55 = 18,688.90/x
  3. Step 3: Cross multiply
    34,260.10x = 51,404.55 × 18,688.90
  4. Step 4: Simplify right side
    34,260.10x = 960,694,494.50
  5. Step 5: Solve for x
    x = 960,694,494.50/34,260.10
  6. Step 6: Final answer
    x = 28,041.21

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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.