Home / 35,315.28-48,732.68-19,400.40

Finding the Fourth Proportional to 35,315.28, 48,732.68 and 19,400.40

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Solution

The fourth proportional to 35,315.28, 48,732.68 and 19,400.40 is: 26,771.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,315.28 : 48,732.68 = 19,400.40 : x
  2. Step 2: Convert to fraction form
    35,315.28/48,732.68 = 19,400.40/x
  3. Step 3: Cross multiply
    35,315.28x = 48,732.68 × 19,400.40
  4. Step 4: Simplify right side
    35,315.28x = 945,433,485.07
  5. Step 5: Solve for x
    x = 945,433,485.07/35,315.28
  6. Step 6: Final answer
    x = 26,771.23

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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.