Home / 34,275.99-51,341.07-20,220.87

Finding the Fourth Proportional to 34,275.99, 51,341.07 and 20,220.87

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Solution

The fourth proportional to 34,275.99, 51,341.07 and 20,220.87 is: 30,288.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,275.99 : 51,341.07 = 20,220.87 : x
  2. Step 2: Convert to fraction form
    34,275.99/51,341.07 = 20,220.87/x
  3. Step 3: Cross multiply
    34,275.99x = 51,341.07 × 20,220.87
  4. Step 4: Simplify right side
    34,275.99x = 1,038,161,102.13
  5. Step 5: Solve for x
    x = 1,038,161,102.13/34,275.99
  6. Step 6: Final answer
    x = 30,288.29

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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.