Home / 35,829.90-53,744.85-18,115.20

Finding the Fourth Proportional to 35,829.90, 53,744.85 and 18,115.20

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Solution

The fourth proportional to 35,829.90, 53,744.85 and 18,115.20 is: 27,172.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,829.90 : 53,744.85 = 18,115.20 : x
  2. Step 2: Convert to fraction form
    35,829.90/53,744.85 = 18,115.20/x
  3. Step 3: Cross multiply
    35,829.90x = 53,744.85 × 18,115.20
  4. Step 4: Simplify right side
    35,829.90x = 973,598,706.72
  5. Step 5: Solve for x
    x = 973,598,706.72/35,829.90
  6. Step 6: Final answer
    x = 27,172.80

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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.