Home / 35,389.72-53,081.04-12,015.80

Finding the Fourth Proportional to 35,389.72, 53,081.04 and 12,015.80

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Solution

The fourth proportional to 35,389.72, 53,081.04 and 12,015.80 is: 18,022.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,389.72 : 53,081.04 = 12,015.80 : x
  2. Step 2: Convert to fraction form
    35,389.72/53,081.04 = 12,015.80/x
  3. Step 3: Cross multiply
    35,389.72x = 53,081.04 × 12,015.80
  4. Step 4: Simplify right side
    35,389.72x = 637,811,160.43
  5. Step 5: Solve for x
    x = 637,811,160.43/35,389.72
  6. Step 6: Final answer
    x = 18,022.50

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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.