Home / 50,825.10-70,139.05-28,164.47

Finding the Fourth Proportional to 50,825.10, 70,139.05 and 28,164.47

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Solution

The fourth proportional to 50,825.10, 70,139.05 and 28,164.47 is: 38,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,825.10 : 70,139.05 = 28,164.47 : x
  2. Step 2: Convert to fraction form
    50,825.10/70,139.05 = 28,164.47/x
  3. Step 3: Cross multiply
    50,825.10x = 70,139.05 × 28,164.47
  4. Step 4: Simplify right side
    50,825.10x = 1,975,429,138.51
  5. Step 5: Solve for x
    x = 1,975,429,138.51/50,825.10
  6. Step 6: Final answer
    x = 38,867.20

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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.