Home / 36,685.24-55,036.02-13,311.16

Finding the Fourth Proportional to 36,685.24, 55,036.02 and 13,311.16

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Solution

The fourth proportional to 36,685.24, 55,036.02 and 13,311.16 is: 19,969.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,685.24 : 55,036.02 = 13,311.16 : x
  2. Step 2: Convert to fraction form
    36,685.24/55,036.02 = 13,311.16/x
  3. Step 3: Cross multiply
    36,685.24x = 55,036.02 × 13,311.16
  4. Step 4: Simplify right side
    36,685.24x = 732,593,267.98
  5. Step 5: Solve for x
    x = 732,593,267.98/36,685.24
  6. Step 6: Final answer
    x = 19,969.70

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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.