Home / 31,403.90-43,292.58-22,448.14

Finding the Fourth Proportional to 31,403.90, 43,292.58 and 22,448.14

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Solution

The fourth proportional to 31,403.90, 43,292.58 and 22,448.14 is: 30,946.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,403.90 : 43,292.58 = 22,448.14 : x
  2. Step 2: Convert to fraction form
    31,403.90/43,292.58 = 22,448.14/x
  3. Step 3: Cross multiply
    31,403.90x = 43,292.58 × 22,448.14
  4. Step 4: Simplify right side
    31,403.90x = 971,837,704.39
  5. Step 5: Solve for x
    x = 971,837,704.39/31,403.90
  6. Step 6: Final answer
    x = 30,946.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.