Home / 50,754.99-70,036.41-28,090.38

Finding the Fourth Proportional to 50,754.99, 70,036.41 and 28,090.38

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Solution

The fourth proportional to 50,754.99, 70,036.41 and 28,090.38 is: 38,761.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,754.99 : 70,036.41 = 28,090.38 : x
  2. Step 2: Convert to fraction form
    50,754.99/70,036.41 = 28,090.38/x
  3. Step 3: Cross multiply
    50,754.99x = 70,036.41 × 28,090.38
  4. Step 4: Simplify right side
    50,754.99x = 1,967,349,370.74
  5. Step 5: Solve for x
    x = 1,967,349,370.74/50,754.99
  6. Step 6: Final answer
    x = 38,761.69

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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.