Home / 50,880.29-70,206.39-28,215.68

Finding the Fourth Proportional to 50,880.29, 70,206.39 and 28,215.68

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Solution

The fourth proportional to 50,880.29, 70,206.39 and 28,215.68 is: 38,932.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,880.29 : 70,206.39 = 28,215.68 : x
  2. Step 2: Convert to fraction form
    50,880.29/70,206.39 = 28,215.68/x
  3. Step 3: Cross multiply
    50,880.29x = 70,206.39 × 28,215.68
  4. Step 4: Simplify right side
    50,880.29x = 1,980,921,315.52
  5. Step 5: Solve for x
    x = 1,980,921,315.52/50,880.29
  6. Step 6: Final answer
    x = 38,932.98

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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.