Home / 35,387.77-53,079.91-13,199.42

Finding the Fourth Proportional to 35,387.77, 53,079.91 and 13,199.42

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Solution

The fourth proportional to 35,387.77, 53,079.91 and 13,199.42 is: 19,798.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,387.77 : 53,079.91 = 13,199.42 : x
  2. Step 2: Convert to fraction form
    35,387.77/53,079.91 = 13,199.42/x
  3. Step 3: Cross multiply
    35,387.77x = 53,079.91 × 13,199.42
  4. Step 4: Simplify right side
    35,387.77x = 700,624,025.65
  5. Step 5: Solve for x
    x = 700,624,025.65/35,387.77
  6. Step 6: Final answer
    x = 19,798.48

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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.