Home / 36,209.80-54,314.70-30,742.30

Finding the Fourth Proportional to 36,209.80, 54,314.70 and 30,742.30

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Solution

The fourth proportional to 36,209.80, 54,314.70 and 30,742.30 is: 46,113.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,209.80 : 54,314.70 = 30,742.30 : x
  2. Step 2: Convert to fraction form
    36,209.80/54,314.70 = 30,742.30/x
  3. Step 3: Cross multiply
    36,209.80x = 54,314.70 × 30,742.30
  4. Step 4: Simplify right side
    36,209.80x = 1,669,758,801.81
  5. Step 5: Solve for x
    x = 1,669,758,801.81/36,209.80
  6. Step 6: Final answer
    x = 46,113.45

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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.