Home / 30,107.09-45,162.07-14,537.81

Finding the Fourth Proportional to 30,107.09, 45,162.07 and 14,537.81

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Solution

The fourth proportional to 30,107.09, 45,162.07 and 14,537.81 is: 21,807.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,107.09 : 45,162.07 = 14,537.81 : x
  2. Step 2: Convert to fraction form
    30,107.09/45,162.07 = 14,537.81/x
  3. Step 3: Cross multiply
    30,107.09x = 45,162.07 × 14,537.81
  4. Step 4: Simplify right side
    30,107.09x = 656,557,330.71
  5. Step 5: Solve for x
    x = 656,557,330.71/30,107.09
  6. Step 6: Final answer
    x = 21,807.40

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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.