Home / 36,803.70-55,206.45-13,430.13

Finding the Fourth Proportional to 36,803.70, 55,206.45 and 13,430.13

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Solution

The fourth proportional to 36,803.70, 55,206.45 and 13,430.13 is: 20,145.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,803.70 : 55,206.45 = 13,430.13 : x
  2. Step 2: Convert to fraction form
    36,803.70/55,206.45 = 13,430.13/x
  3. Step 3: Cross multiply
    36,803.70x = 55,206.45 × 13,430.13
  4. Step 4: Simplify right side
    36,803.70x = 741,429,800.34
  5. Step 5: Solve for x
    x = 741,429,800.34/36,803.70
  6. Step 6: Final answer
    x = 20,145.52

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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.