Home / 50,958.71-70,320.65-28,299.14

Finding the Fourth Proportional to 50,958.71, 70,320.65 and 28,299.14

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Solution

The fourth proportional to 50,958.71, 70,320.65 and 28,299.14 is: 39,051.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,958.71 : 70,320.65 = 28,299.14 : x
  2. Step 2: Convert to fraction form
    50,958.71/70,320.65 = 28,299.14/x
  3. Step 3: Cross multiply
    50,958.71x = 70,320.65 × 28,299.14
  4. Step 4: Simplify right side
    50,958.71x = 1,990,013,426.14
  5. Step 5: Solve for x
    x = 1,990,013,426.14/50,958.71
  6. Step 6: Final answer
    x = 39,051.49

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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.