Home / 30,287.40-45,438.66-29,785.14

Finding the Fourth Proportional to 30,287.40, 45,438.66 and 29,785.14

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Solution

The fourth proportional to 30,287.40, 45,438.66 and 29,785.14 is: 44,685.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,287.40 : 45,438.66 = 29,785.14 : x
  2. Step 2: Convert to fraction form
    30,287.40/45,438.66 = 29,785.14/x
  3. Step 3: Cross multiply
    30,287.40x = 45,438.66 × 29,785.14
  4. Step 4: Simplify right side
    30,287.40x = 1,353,396,849.51
  5. Step 5: Solve for x
    x = 1,353,396,849.51/30,287.40
  6. Step 6: Final answer
    x = 44,685.14

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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.