Home / 50,804.72-70,109.52-28,145.24

Finding the Fourth Proportional to 50,804.72, 70,109.52 and 28,145.24

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Solution

The fourth proportional to 50,804.72, 70,109.52 and 28,145.24 is: 38,839.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,804.72 : 70,109.52 = 28,145.24 : x
  2. Step 2: Convert to fraction form
    50,804.72/70,109.52 = 28,145.24/x
  3. Step 3: Cross multiply
    50,804.72x = 70,109.52 × 28,145.24
  4. Step 4: Simplify right side
    50,804.72x = 1,973,249,266.68
  5. Step 5: Solve for x
    x = 1,973,249,266.68/50,804.72
  6. Step 6: Final answer
    x = 38,839.88

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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.